When it comes to maintaining a clean and clear pool, having reliable replacement filters for your automatic pool cleaner is essential. The right filter can improve cleaning efficiency, extend your cleaner’s lifespan, and reduce ongoing maintenance costs. The Dolphin Filters 9991432-R4 stand out as the best overall choice for their durability and compatibility. For those seeking ultra-fine filtration, the Ultra Fine Filters compatible with Dolphin models offer superior debris capture. Keep in mind, tradeoffs often involve balancing filtration power against ease of maintenance and price. Continue reading for a detailed comparison to help you find the perfect fit for your pool cleaning needs.
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Key Takeaways
- Top picks balance filtration effectiveness with ease of installation and maintenance.
- Ultra-fine filters excel at capturing small debris but may require more frequent cleaning.
- Compatibility with specific robotic models is crucial for ensuring proper fit and performance.
- Bulk packs and multi-packs often provide better value for frequent filter replacements.
- Higher-priced filters generally offer longer lifespan and better debris-holding capacity.
| Dolphin Filters 9991432-R4 Replacement Pool Filter – 4 Pack for Dolphin M400/M500, Nautilus CC Plus |  | Best Overall for Dolphin Owners | Product Dimensions: 6 x 3 x 2 inches | Item Weight: 15.2 ounces | Part Number: 9991432-R4 | VIEW ON AMAZON | See Our Full Breakdown |
| 4 Pack Hayward Sharkvac Pool Filter Cartridges RCX70101PAK2 – Compatible with Robotic In-ground Pool Cleaners |  | Best Value for Hayward Users | Model Number: RCX70101, RCX70101PAK2 | Compatible With: TigerShark, SharkVac, AquaVac series | Material: Polyethylene (PE) | VIEW ON AMAZON | See Our Full Breakdown |
| Robotic Pool Cleaner Filter – 4-Piece Fine Filter Cartridge for Pool Robots |  | Best for Fine Debris Capture | Pieces: 4 | Compatibility: Specific pool robotic cleaners | Filter Type: Fine filter cartridge | VIEW ON AMAZON | See Our Full Breakdown |
| Pool Replacement Filter Compatible with Hayward RCX70101PAK2 |  | Best for Hayward Tiger Shark Models | Part Number: RCX70101 | Compatible Models: rc9990gr, rc36000qc, rc9950, rc9952, rc4702, and more | Material: High-quality filter with plastic frame | VIEW ON AMAZON | See Our Full Breakdown |
| Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus, Nautilus CC Supreme, M200/M400/M500 – 4 Pack |  | Best for Small Particle Filtration | Compatibility: Nautilus CC Plus, CC Supreme, M200, M400, M500 | Part Number: 9991432-R4 | Size: 10-1/2″ (L) x 6-3/8″ (W) | VIEW ON AMAZON | See Our Full Breakdown |
| Replacement Part RCX97417SPAK2 Door Filter Element (4 Pack) |  | Best for Basic Pool Filtration and Cost-Effective Maintenance | Part Number: RCX97417SPAK2 | Quantity: 4 pieces | Purpose: Pool water filtration | VIEW ON AMAZON | See Our Full Breakdown |
| Replacement Robotic Pool Cleaner Filter Cartridges, Ultra Fine, 2 Pack for Hayward, Maytronics Models |  | Best for Ultra-Fine Filtration in Popular Robotic Cleaners | Compatibility: Hayward TigerShark, SharkVac, AquaVac 500 series, Maytronics models | Material: ABS plastic frame, PET fiber filter | Filter Type: Ultra-fine, diamond-shaped grid | VIEW ON AMAZON | See Our Full Breakdown |
| Ulticor Ultra Fine Filter Basket Compatible with Dolphin Robotic Pool Cleaners S50, S100, Active 10, Active 15, Echo, T15, T25, Proteus DX3, Saturn, Cayman, Escape, Nautilus CC, and more |  | Best for Wide Compatibility and Microfiltration in Dolphin Cleaners | Compatibility: Dolphin S50, S100, Active 10, Active 15, Echo, T15, T25, Proteus DX3, Saturn, Cayman, and others | Material: Microfiltration Technology | Note: Not compatible with Nautilus CC Pro or Nautilus CC Supreme | VIEW ON AMAZON | See Our Full Breakdown |
| replacement filters for automatic pool cleaner | Material | Part Number | Compatibility |
|---|---|---|---|
| Dolphin Filters 9991432-R4 Rep | — | 9991432-R4 | — |
| 4 Pack Hayward Sharkvac Pool F | Polyethylene (PE) | — | — |
| Robotic Pool Cleaner Filter | High-quality filter material | — | Specific pool robotic cleaners |
| Pool Replacement Filter Compat | High-quality filter with plastic frame | RCX70101 | — |
| Ultra Fine Filters Compatible | Heavy-duty ABS plastic | 9991432-R4 | Nautilus CC Plus, CC Supreme, M200, M400, M500 |
| Replacement Part RCX97417SPAK2 | — | RCX97417SPAK2 | — |
| Replacement Robotic Pool Clean | ABS plastic frame, PET fiber filter | — | Hayward TigerShark, SharkVac, AquaVac 500 series, Maytronics models |
| Ulticor Ultra Fine Filter Bask | Microfiltration Technology | — | Dolphin S50, S100, Active 10, Active 15, Echo, T15, T25, Proteus DX3, Saturn, Cayman, and others |
More Details on Our Top Picks
Dolphin Filters 9991432-R4 Replacement Pool Filter – 4 Pack for Dolphin M400/M500, Nautilus CC Plus
This set of four filters stands out for compatibility with popular Dolphin models like the M400, M500, and Nautilus CC Plus, offering a reliable filtration option for owners seeking to maintain their robotic pool cleaners. The three-layer diamond grid design enhances debris capture and impact resistance, making these filters more durable than the standard single-layer options. Compared with Ultra Fine Filters, the Dolphin Filters provide a broader debris-holding capacity, but they lack compatibility with older Nautilus models, limiting versatility. The inclusion of four filters offers value for ongoing replacement needs, though they are not suitable for Nautilus CC Pro or Triton models. This pick makes the most sense for Dolphin owners who prioritize durability and effective debris removal without needing universal compatibility.
Pros:- Enhanced three-layer diamond grid for superior debris filtration
- Compatible with multiple Dolphin models, including M400/M500
- Includes four filters, offering long-term value
Cons:- Not compatible with Nautilus CC Pro or Nautilus CC models
- Limited to specific Dolphin units, reducing versatility
Best for: Owners of Dolphin M400, M500, or Nautilus CC Plus looking for dependable, high-efficiency filters.
Not ideal for: Users with older Nautilus models or Triton cleaners, as these filters are incompatible and won’t fit those units.
- Product Dimensions:6 x 3 x 2 inches
- Item Weight:15.2 ounces
- Part Number:9991432-R4
- Compatible Models:Dolphin M400, M500, Nautilus CC Plus
- Number of Filters:4
- Design:Three-layer diamond grid
Our verdict“This set is ideal for Dolphin users who need durable, high-performance filters for their specific models without extra compatibility concerns.”
4 Pack Hayward Sharkvac Pool Filter Cartridges RCX70101PAK2 – Compatible with Robotic In-ground Pool Cleaners
This four-pack of Hayward Sharkvac filter cartridges offers extended use for owners of various Hayward robotic cleaners like TigerShark and AquaVac. Constructed with enhanced PET fiber, these filters provide improved filtration and impact resistance, making them more durable than basic polyethylene options. Compared with the Ultra Fine Filters designed for Dolphin models, these filters are more cost-effective if you own Hayward equipment, but their lifespan details are unclear, which could lead to premature replacements. They are compatible with multiple models, yet limited to Hayward units, so owners of non-Hayward brands should look elsewhere. This choice makes sense for budget-conscious Hayward owners needing reliable filters that won’t require frequent replacements.
Pros:- Includes four filters for extended replacement cycles
- Enhanced PET fiber for better durability and filtration
- Compatible with multiple Hayward models, including TigerShark and AquaVac
Cons:- Lacks detailed info on lifespan or recommended replacement frequency
- Limited to Hayward models, reducing cross-brand flexibility
Best for: Hayward robotic pool cleaner owners seeking affordable, durable replacement filters.
Not ideal for: Owners of Dolphin or other brand models, as these filters are designed specifically for Hayward units and are not universal.
- Model Number:RCX70101, RCX70101PAK2
- Compatible With:TigerShark, SharkVac, AquaVac series
- Material:Polyethylene (PE)
- Color:White
- Item Weight:0.54 kg
- Number of Filters:4
Our verdict“This set is a practical choice for Hayward owners who want reliable, cost-effective replacement filters without unnecessary extras.”
Robotic Pool Cleaner Filter – 4-Piece Fine Filter Cartridge for Pool Robots
This set of four fine filters excels at trapping small debris and dust, making it an excellent option for maintaining a pristine pool environment. Its high-quality filter material ensures durability and long-lasting performance; however, it is only compatible with certain pool robot models, limiting broader application. Compared to Ultra Fine Filters designed for Dolphin models, these are more suited for robotic cleaners that require robust fine debris capture, but they need regular cleaning for optimal efficiency—neglecting this can reduce filtration effectiveness. If you need a straightforward, effective fine debris solution for specific robot models, this set delivers reliable results with minimal fuss.
Pros:- Highly effective at trapping fine debris and dust
- Easy to install and clean, saving maintenance time
- Durable filter material for long-term use
Cons:- Limited compatibility, restricting use to specific models
- Needs regular cleaning to maintain filtration performance
Best for: Pool owners with compatible robotic cleaners requiring fine debris filtration and easy maintenance.
Not ideal for: Users with incompatible models or those seeking a multi-purpose filter for various brands, as compatibility is limited.
- Pieces:4
- Compatibility:Specific pool robotic cleaners
- Filter Type:Fine filter cartridge
- Material:High-quality filter material
Our verdict“This filter set suits owners of compatible robots who prioritize fine debris removal and straightforward maintenance.”
Pool Replacement Filter Compatible with Hayward RCX70101PAK2
This replacement filter is tailored for Hayward Tiger Shark models, providing effective dirt and debris capture to keep your pool clean. Made with high-quality filter material and a sturdy plastic frame, it offers a dependable seasonal or annual replacement option. Compared with the Hayward Sharkvac cartridges, this filter is specifically designed for Tiger Shark units, which means it offers a more precise fit and reliable performance. However, frequent cleaning is necessary for optimal operation, and some users may find the disassembly process slightly cumbersome during replacement. For Tiger Shark owners seeking a straightforward, high-quality replacement, this filter fits the bill perfectly.
Pros:- Effective debris removal with high-quality materials
- Compatible with multiple Tiger Shark models
- Easy to replace with a durable plastic frame
Cons:- Requires regular cleaning for sustained performance
- Disassembly can be slightly cumbersome for some users
Best for: Hayward Tiger Shark owners needing reliable seasonal replacements with a perfect fit.
Not ideal for: Owners of Dolphin or other brand models, as this filter is specifically designed for Hayward Tiger Shark units.
- Part Number:RCX70101
- Compatible Models:rc9990gr, rc36000qc, rc9950, rc9952, rc4702, and more
- Material:High-quality filter with plastic frame
- Replacement Frequency:Seasonal or annual
Our verdict“This filter is ideal for Tiger Shark owners who want a dependable, high-quality replacement for seasonal use.”
Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus, Nautilus CC Supreme, M200/M400/M500 – 4 Pack
This four-pack of ultra fine filters excels at capturing tiny particles, which makes pool water look clearer and more inviting. Made from durable ABS plastic, these filters are designed to last 2-3 years with proper rinsing, and their easy-to-clean design reduces ongoing maintenance effort. Compared with the standard filters for Dolphin models, these ultra fine options are more effective at removing small dirt and dust, but they are incompatible with older Nautilus models and require regular rinsing every 4-6 weeks. If your priority is a cleaner, clearer pool with minimal chemical use, these filters will serve you well, especially if you value long-term durability.
Pros:- Highly effective at removing small particles for a clearer pool
- Long-lasting construction with a 2-3 year lifespan
- Cost-effective 4-pack for ongoing replacement
Cons:- Not compatible with some older Nautilus models
- Requires regular rinsing to sustain filtration efficiency
Best for: Dolphin Nautilus CC Plus and M200/M400/M500 owners who want maximum fine particle removal and long-lasting filters.
Not ideal for: Owners of older Nautilus or Triton models, as these filters do not fit those units and require consistent rinsing to maintain performance.
- Compatibility:Nautilus CC Plus, CC Supreme, M200, M400, M500
- Part Number:9991432-R4
- Size:10-1/2″ (L) x 6-3/8″ (W)
- Number of Packs:4
- Material:Heavy-duty ABS plastic
- Warranty:1 year
Our verdict“This set is best for Dolphin owners who prioritize ultra-fine debris removal and durable, easy-to-maintain filters with a long lifespan.”
Replacement Part RCX97417SPAK2 Door Filter Element (4 Pack)
This 4-pack of replacement door filter elements offers a straightforward solution for maintaining water clarity and protecting your pool equipment. Compared with specialized cartridge filters like those for Hayward or Dolphin cleaners, these are more about bulk affordability and basic filtration rather than ultra-fine debris removal. They work well in standard filtration setups but lack detailed information on material quality or filtration media, which could impact long-term effectiveness. These filters excel at removing larger impurities and are ideal for pools that don’t require ultra-fine filtration. However, they are designed specifically for compatible systems, so compatibility is a key consideration. Choosing this pack makes sense for budget-conscious pool owners who want reliable, basic filtration without the need for frequent replacement or detailed filtration media.
Pros:- Effective at removing larger impurities from pool water
- Includes four filter elements for extended use and convenience
- Helps maintain overall water clarity and protect equipment
Cons:- Designed specifically for certain pool systems, limiting versatility
- Lacks detailed info on filtration media or material quality
Best for: Budget-conscious homeowners seeking simple, reliable pool filtration parts
Not ideal for: Pool owners needing ultra-fine debris filtering or detailed filtration media info
- Part Number:RCX97417SPAK2
- Quantity:4 pieces
- Purpose:Pool water filtration
Our verdict“This pick suits pool owners needing affordable, reliable basic filtration without advanced debris removal requirements.”
Replacement Robotic Pool Cleaner Filter Cartridges, Ultra Fine, 2 Pack for Hayward, Maytronics Models
This 2-pack of ultra-fine filter cartridges is designed for use with several Hayward and Maytronics robotic pool cleaners, making it a versatile upgrade over generic filters. Compared with the Ulticor filter basket for Dolphin models, these cartridges offer finer filtration and a more targeted debris removal experience. The durable PET fiber and impact-resistant ABS frame ensure long-lasting performance, with an expected lifespan of 2-3 years with proper maintenance. Regular cleaning every 4-6 weeks is necessary to sustain optimal filtration, which might be more frequent than some users prefer. While these filters are compatible with many popular models, they won’t fit every robotic cleaner, so check compatibility carefully. This makes sense for owners seeking ultra-fine debris removal and long-term durability in their robotic cleaner filters.
Pros:- Effective ultra-fine filtration for dirt, debris, and micro contaminants
- Compatible with multiple popular robotic cleaner models
- Reusable and easy to clean, reducing replacement costs
- Durable construction for long-lasting performance
Cons:- Requires regular cleaning every 4-6 weeks to maintain performance
- May need replacement after 2-3 years depending on usage
- Compatibility limited to specific models listed
Best for: Owners of Hayward or Maytronics robotic cleaners who want ultra-fine debris filtration
Not ideal for: Pool owners with non-compatible robotic models or those seeking minimal maintenance
- Compatibility:Hayward TigerShark, SharkVac, AquaVac 500 series, Maytronics models
- Material:ABS plastic frame, PET fiber filter
- Filter Type:Ultra-fine, diamond-shaped grid
- Package Quantity:2 Pack
- Durability:Lasts 2-3 years with proper maintenance
Our verdict“Ideal for owners of compatible robotic cleaners who prioritize ultra-fine filtration and durability, willing to perform routine maintenance.”
Ulticor Ultra Fine Filter Basket Compatible with Dolphin Robotic Pool Cleaners S50, S100, Active 10, Active 15, Echo, T15, T25, Proteus DX3, Saturn, Cayman, Escape, Nautilus CC, and more
The Ulticor ultra-fine filter basket offers a microfiltration solution compatible with a broad range of Dolphin robotic pool cleaners. Compared to cartridges like the Hayward or Maytronics options, this basket emphasizes high-quality microfiltration technology, catching even tiny debris to keep pools exceptionally clean. Its wide compatibility makes it a versatile choice, though it’s not compatible with Nautilus CC Pro or Nautilus CC Supreme models, which could limit options for some users. Regular rinsing every 4-6 weeks is recommended to sustain performance, but this maintenance requirement is similar to other high-efficiency filters. This basket is best suited for pool owners with Dolphin cleaners who want microfiltration performance without frequent replacements and who are comfortable with routine rinsing.
Pros:- High-quality microfiltration technology for micro debris removal
- Compatible with numerous Dolphin models for versatility
- Easy to rinse and maintain, promoting long-term use
- Effective filtration to keep pools clear and clean
Cons:- Not compatible with Nautilus CC Pro or CC Supreme models
- Requires regular rinsing every 4-6 weeks
- May need modification for older Active 10 or S50 models
Best for: Dolphin robotic cleaner owners seeking microfiltration and broad compatibility
Not ideal for: Owners of Nautilus CC Pro or Supreme models or those preferring cartridge filters
- Compatibility:Dolphin S50, S100, Active 10, Active 15, Echo, T15, T25, Proteus DX3, Saturn, Cayman, and others
- Material:Microfiltration Technology
- Note:Not compatible with Nautilus CC Pro or Nautilus CC Supreme
- Cleaning Frequency:Every 4-6 weeks
Our verdict“Best suited for Dolphin cleaner users prioritizing microfiltration with easy maintenance and broad model compatibility.”
How We Picked
These replacement filters were selected based on a combination of durability, compatibility, filtration efficiency, ease of installation, and user feedback. Priority was given to filters that fit popular robotic pool cleaners and deliver consistent cleaning performance. We also considered value for money, how easy it is to maintain or replace the filters, and whether the filters are designed to handle various debris sizes. The ranking reflects a balance between premium features and affordability, aiming to help different types of pool owners find suitable options.| replacement filters for automatic pool cleaner | Material | Compatibility |
|---|---|---|
| Dolphin Filters 9991432-R4 Rep | — | — |
| 4 Pack Hayward Sharkvac Pool F | Polyethylene (PE) | — |
| Robotic Pool Cleaner Filter | High-quality filter material | Specific pool robotic cleaners |
| Pool Replacement Filter Compat | High-quality filter with plastic frame | — |
| Ultra Fine Filters Compatible | Heavy-duty ABS plastic | Nautilus CC Plus, CC Supreme, M200, M400, M500 |
| Replacement Part RCX97417SPAK2 | — | — |
| Replacement Robotic Pool Clean | ABS plastic frame, PET fiber filter | Hayward TigerShark, SharkVac, AquaVac 500 series, Maytronics models |
| Ulticor Ultra Fine Filter Bask | Microfiltration Technology | Dolphin S50, S100, Active 10, Active 15, Echo, T15, T25, Proteus DX3, Saturn, Cayman, and others |
Factors to Consider When Choosing Replacement Filters For Automatic Pool Cleaners
Choosing the right replacement filter for your automatic pool cleaner involves considering several factors that impact performance and convenience. The ideal filter should match your pool size, typical debris load, and the specific model of your cleaner. Beyond compatibility, understanding filtration level, ease of cleaning, and cost over time can help you make a smarter purchase. This guide breaks down key considerations to help you avoid common pitfalls and select a filter that meets your needs without unnecessary expense.Compatibility and Fit
Ensuring the filter matches your specific robotic pool cleaner model is essential. Ill-fitting filters can reduce cleaning efficiency or even damage the cleaner. Always check the model number and compatibility lists before purchasing. Some filters are designed for multiple brands or models, offering flexibility, but verify fit to avoid disappointment.
Filtration Level and Debris Size
The filtration level determines what size debris the filter can capture. Fine or ultra-fine filters excel at catching small particles like dirt and algae, ideal for pools with light debris or sensitive skimmers. Coarser filters handle larger debris like leaves and twigs but may require more frequent cleaning. Consider your typical debris load when choosing to optimize performance and reduce maintenance.
Ease of Installation and Maintenance
Filters that are straightforward to install and remove can save time and frustration, especially if you need to replace them frequently. Look for filters with simple locking mechanisms or clear instructions. Also, consider how easy it is to clean the filters—some models require rinsing, while others might need more involved cleaning processes. Balancing durability with user-friendly design is key.
Price and Replacement Frequency
Cheaper filters might save money upfront but could wear out faster or require more frequent replacements, increasing long-term costs. Premium filters often last longer and perform better at capturing debris, especially ultra-fine particles. Evaluate the overall value by considering how often you’ll need replacements versus the initial investment.
Bulk and Multi-Packs
Buying filters in packs can be more cost-effective, especially if you replace them regularly. Multi-packs help ensure you always have a replacement on hand, reducing downtime. However, be cautious about buying large quantities of filters incompatible with your cleaner—check compatibility first to avoid waste.
Frequently Asked Questions
How often should I replace my pool cleaner’s filters?
The frequency of replacing filters depends on your pool’s debris load and the filter’s quality. Typically, filters should be checked weekly and replaced every 2-4 months for average use. If your pool gets a lot of debris or if you notice reduced cleaning performance, more frequent replacements might be necessary. Proper maintenance, like rinsing filters regularly, can extend their lifespan.
Are ultra-fine filters worth the extra cost?
Ultra-fine filters are especially useful for pools with fine debris, algae spores, or when you want to maintain crystal-clear water. While they tend to cost more initially, they can reduce the frequency of filter cleaning and improve overall cleanliness. If your pool’s environment demands high filtration, investing in ultra-fine filters can provide noticeable benefits.
Can I use generic replacement filters for my specific robotic cleaner?
Using generic filters can be a cost-saver, but compatibility and filtration quality may vary. Always verify the dimensions and model compatibility before purchasing. Some generic filters may not fit perfectly or may not provide the same debris-holding capacity, which could reduce your cleaner’s efficiency or cause damage over time.
How do I know if a filter is compatible with my pool cleaner?
The best way to confirm compatibility is by checking your cleaner’s model number and referencing the manufacturer’s recommended filter list. Many brands list compatible filters online or on packaging. When in doubt, consult customer reviews or contact customer support to verify fit, especially if considering third-party options.
Is it better to buy filters in bulk or individually?
Bulk purchasing is generally more economical if you regularly replace filters, as it reduces the per-unit cost. However, ensure the filters are compatible with your cleaner to avoid waste. Buying in bulk also guarantees you have replacements ready, minimizing downtime. For occasional use or specific models, individual purchases might be more appropriate to avoid unnecessary expense.
Conclusion
For most users seeking a reliable, all-around performer, the Dolphin Filters 9991432-R4 make an excellent choice, combining durability with broad compatibility. Those prioritizing ultra-fine debris capture should consider the Ultra Fine Filters compatible with Dolphin models, despite a higher price point. Budget-conscious buyers can opt for multi-packs of compatible generic filters, provided they match their cleaner’s specifications. Beginners or casual users will appreciate filters that are simple to install and maintain, while serious pool owners with heavy debris loads should invest in premium, long-lasting options. Ultimately, your choice depends on your pool environment, cleaning habits, and budget.
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