When it comes to maintaining a clean, algae-free pool, choosing the right replacement filters for your automatic pool cleaner is essential. The best filters offer superior debris capture and durability, but they can vary widely in price and compatibility. The Dolphin Filters 9991432-R4 stands out as the best overall due to its reliable performance and compatibility with multiple models. For those prioritizing ultra-fine filtering, the Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus provide exceptional particle removal, though they may require more frequent cleaning. Balancing cost, filter longevity, and cleaning efficiency are the key tradeoffs buyers face in this category. Continue reading for a detailed breakdown to find the perfect fit for your pool routine.
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Key Takeaways
- Top filters like the Dolphin 9991432-R4 excel in durability and compatibility with multiple models.
- Ultra-fine filtering options improve debris removal but may need more maintenance and frequent cleaning.
- Pack size and ease of replacement significantly impact overall value and convenience.
- Premium filters tend to last longer but come at a higher upfront cost, making them ideal for frequent use.
- Compatibility with your specific pool cleaner model is essential to avoid fit issues and ensure optimal cleaning.
| Dolphin Filters 9991432-R4 Replacement Pool Filter (4 Pack) for Dolphin M400/M500, Nautilus CC Plus | ![]() | Best Overall for Compatibility and Filtration Efficiency | Product Dimensions: 6 x 3 x 2 inches | Item Weight: 15.2 ounces | Part Number: 9991432-R4 | VIEW ON AMAZON | See Our Full Breakdown |
| Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus, M200/M400/M500 – 4 Pack | ![]() | Best for Fine Particle Filtration and Longevity | Compatibility: Nautilus CC Plus, M200, M400, M500, Nautilus CC Supreme, Sigma, Odyssey, Oasis Z5i, and more | Size: 10-1/2”(L) x 6-3/8” (W) | Pack Quantity: 4 | VIEW ON AMAZON | See Our Full Breakdown |
| Ultra-Fine Filter Panels for Dolphin Robotic Pool Cleaner (Part# 9991467-R4) | ![]() | Best Reusable, Easy-to-Clean Filter Panels | Part Number: 9991467-R4 | Compatibility: Dolphin Active 20/30, Advantage Ultra, Discovery, Explorer E30/50, M600, Mercury, Proteus DX4/DX5i, Prowler 920/930 series, and more | Installation: Easy to install, remove, and clean | VIEW ON AMAZON | See Our Full Breakdown |
| 9991408-R4 Pool Filter Replacement Parts Compatible with Dolphin Robotic Pool Cleaners DX6, Triton, Edge, Wave 75, Deluxe 5, Prowler 830, DX5+S, Deluxe 4, and More (4 Pack) | ![]() | Best for Wide Compatibility and Long-Lasting Durability | Compatibility: Dolphin DX6, Triton, Edge, Wave 75, Deluxe 5, Prowler 830, DX5+S, Deluxe 4, and more | Material: ABS plastic | Size: 10.9″ x 5.2″ | VIEW ON AMAZON | See Our Full Breakdown |
| 4 Pack Hayward Sharkvac Pool Filter Cartridges RCX70101PAK2 Replacement for Robotic Pool Cleaners | ![]() | Best for Hayward Robotic Pool Cleaner Compatibility and PET Fiber Filtration | Model Number: RCX70101, RCX70101PAK2 | Compatible With: TigerShark, SharkVac, AquaVac series | Material: Polyethylene (PET) fiber | VIEW ON AMAZON | See Our Full Breakdown |
| Replacement Robotic Pool Cleaner Filter Cartridges, Ultra Fine, 2 Pack for Hayward Robotic AquaVac, TigerShark, and SharkVac | ![]() | Best for Compatibility and Long-Term Use | Compatibility: Hayward TigerShark, SharkVac, AquaVac series | Part Number: RCX70101PAK2 | Material: ABS plastic frame, PET fiber filter | VIEW ON AMAZON | See Our Full Breakdown |
| replacement filters for automatic pool cleaner | Compatibility | Material | Part Number |
|---|---|---|---|
| Dolphin Filters 9991432-R4 Rep | Dolphin M400, M500, Nautilus CC Plus | — | 9991432-R4 |
| Ultra Fine Filters Compatible | Nautilus CC Plus, M200, M400, M500, Nautilus CC Supreme, Sigma, Odyssey, Oasis Z5i, and more | Heavy-duty ABS plastic | — |
| Ultra-Fine Filter Panels for D | Dolphin Active 20/30, Advantage Ultra, Discovery, Explorer E30/50, M600, Mercury, Proteus DX4/DX5i, Prowler 920/930 series, and more | — | 9991467-R4 |
| 9991408-R4 Pool Filter Replace | Dolphin DX6, Triton, Edge, Wave 75, Deluxe 5, Prowler 830, DX5+S, Deluxe 4, and more | ABS plastic | — |
| 4 Pack Hayward Sharkvac Pool F | — | Polyethylene (PET) fiber | — |
| Replacement Robotic Pool Clean | Hayward TigerShark, SharkVac, AquaVac series | ABS plastic frame, PET fiber filter | RCX70101PAK2 |
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 their multi-layered diamond grid design, which significantly enhances filtration and impact resistance compared to basic single-layer filters. They are compatible with popular Dolphin models like M400, M500, and Nautilus CC Plus, making them a versatile choice for owners of these cleaners. However, they are limited to specific Dolphin models, excluding Nautilus CC or Pro variants, which might be a drawback for some users. The filters are easy to install and provide reliable performance, but their compatibility scope means they’re not suitable for all Dolphin cleaners. Overall, they make a strong choice for Dolphin owners seeking effective filtration and multiple filters in one pack.
Pros:- Highly effective multi-layered filtration improves pool clarity
- Compatible with popular Dolphin models for broad usability
- Includes four filters for extended use and convenience
Cons:- Limited to specific Dolphin models, reducing versatility
- Does not fit Nautilus CC or Pro variants, possibly requiring additional purchases
Best for: Dolphin M400/M500 or Nautilus CC Plus owners wanting a reliable, multi-pack replacement.
Not ideal for: Owners of Nautilus CC or Pro models, as these filters are not compatible with those variants.
- Product Dimensions:6 x 3 x 2 inches
- Item Weight:15.2 ounces
- Part Number:9991432-R4
- Compatibility:Dolphin M400, M500, Nautilus CC Plus
Our verdict“This set is ideal for Dolphin M400/M500 owners seeking a durable, multi-filter pack with enhanced filtration capabilities.”
Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus, M200/M400/M500 – 4 Pack
Compared with the standard filters, these ultra-fine pleated filters excel at trapping tiny particles, providing an extra layer of clarity for your pool. Constructed from heavy-duty ABS plastic, they are designed to last 2-3 years with proper rinsing, making them a cost-effective upgrade. They are compatible with a broad array of Dolphin models, including Nautilus CC Plus and M200/M400/M500, offering versatility not seen in some other filters. However, these are not compatible with older Nautilus or Triton models, which limits their applicability for some users. They require regular rinsing to maintain performance but are straightforward to clean, making maintenance manageable. Overall, these filters make the most sense for owners who prioritize fine debris capture and long-term durability.
Pros:- Excellent at trapping tiny dirt and debris for clearer pools
- Heavy-duty plastic frame ensures long-lasting durability
- Cost-effective pack that can last 2-3 years with minimal maintenance
Cons:- Limited compatibility with some older Dolphin models
- Requires regular rinsing every 4-6 weeks for optimal performance
Best for: Dolphin owners who want ultra-fine filtration and durable, long-lasting filters.
Not ideal for: Owners of older Nautilus or Triton models, as these filters won’t fit those units.
- Compatibility:Nautilus CC Plus, M200, M400, M500, Nautilus CC Supreme, Sigma, Odyssey, Oasis Z5i, and more
- Size:10-1/2”(L) x 6-3/8” (W)
- Pack Quantity:4
- Material:Heavy-duty ABS plastic
Our verdict“This pick is ideal for Dolphin users seeking ultra-fine filtration with long-term value and durability.”
Ultra-Fine Filter Panels for Dolphin Robotic Pool Cleaner (Part# 9991467-R4)
This product offers high-efficiency filtration for a range of Dolphin models like Active 20, 30, and Discovery series, standing out for its ease of cleaning—simply rinse with a garden hose. Compared to many disposable filters, these panels are reusable and durable, reducing long-term costs. They are compatible with numerous Dolphin models, but their limited compatibility means owners of non-listed units will need different options. Manual cleaning is necessary to maintain performance, and replacement is needed if panels become damaged, which is a potential inconvenience. Still, for owners who prefer a reusable and straightforward maintenance process, these panels deliver high filtration efficiency with minimal fuss.
Pros:- High-efficiency filtration captures fine dirt and debris
- Easy to install, remove, and clean with a garden hose
- Reusable and durable for long-term use
Cons:- Limited compatibility to specific Dolphin models
- Requires manual cleaning and potential replacement if damaged
Best for: Dolphin owners seeking reusable, easy-to-clean filters for high-efficiency debris removal.
Not ideal for: Owners of non-compatible Dolphin models or those who prefer disposable filters for convenience.
- Part Number:9991467-R4
- Compatibility:Dolphin Active 20/30, Advantage Ultra, Discovery, Explorer E30/50, M600, Mercury, Proteus DX4/DX5i, Prowler 920/930 series, and more
- Installation:Easy to install, remove, and clean
Our verdict“This choice is perfect for Dolphin owners who want a reusable, high-performance filter with simple maintenance.”
9991408-R4 Pool Filter Replacement Parts Compatible with Dolphin Robotic Pool Cleaners DX6, Triton, Edge, Wave 75, Deluxe 5, Prowler 830, DX5+S, Deluxe 4, and More (4 Pack)
This set of four filters offers broad compatibility across many Dolphin models like DX6, Triton, and Edge, making it a versatile choice for owners with multiple or evolving pool systems. Constructed with sturdy ABS plastic frames and ultra-fine filtering material, these filters are designed to last 2-3 years with proper rinsing. Compared to OEM filters, they come at a lower cost but lack the official branding, which could impact guaranteed fit and performance. Regular rinsing every 4-6 weeks is necessary to maintain their effectiveness, but their durability and wide compatibility make them a practical, long-term solution that can reduce replacement costs over time.
Pros:- Compatible with a broad range of Dolphin models for flexibility
- Sturdy construction with durable ABS plastic frames
- Long-lasting filters that can serve 2-3 years with proper maintenance
Cons:- Not an OEM product, so fit and performance are not officially guaranteed
- Requires regular rinsing for best results
Best for: Homeowners with multiple Dolphin models or those seeking a cost-effective, durable replacement option.
Not ideal for: Purists who prefer OEM filters for guaranteed fit or owners of older models outside the listed compatibility range.
- Compatibility:Dolphin DX6, Triton, Edge, Wave 75, Deluxe 5, Prowler 830, DX5+S, Deluxe 4, and more
- Material:ABS plastic
- Size:10.9″ x 5.2″
- Lasts:2-3 years
Our verdict“This product suits Dolphin owners seeking a versatile, long-lasting filter set at a budget-friendly price point.”
4 Pack Hayward Sharkvac Pool Filter Cartridges RCX70101PAK2 Replacement for Robotic Pool Cleaners
This set of four cartridges provides an effective alternative for owners of Hayward robotic pool cleaners like TigerShark and SharkVac. Made with enhanced PET fiber material and a three-layer design, these filters offer improved filtration and impact resistance, especially suited for in-ground pools. Compared with Dolphin-specific filters, these are tailored for Hayward units, which could be a plus for Hayward owners but a drawback if you need Dolphin compatibility. No specific warranty details are provided, and routine cleaning is necessary for optimal performance. They are a practical option for those who want a reliable, high-quality replacement that emphasizes durability and filtration effectiveness.
Pros:- Includes four cartridges for extended use
- Enhanced PET fiber material for better filtration and durability
- Compatible with multiple Hayward robotic models
Cons:- No explicit warranty details available
- Limited to Hayward units only, reducing cross-brand versatility
Best for: Hayward robotic pool cleaner owners wanting enhanced PET fiber filtration and impact resistance.
Not ideal for: Dolphin owners or users of non-Hayward models, as these filters are not compatible outside Hayward units.
- Model Number:RCX70101, RCX70101PAK2
- Compatible With:TigerShark, SharkVac, AquaVac series
- Material:Polyethylene (PET) fiber
- Number of filters:4
Our verdict“This product is a solid choice for Hayward robotic cleaner owners seeking durable, PET fiber filters with multiple replacements included.”
Replacement Robotic Pool Cleaner Filter Cartridges, Ultra Fine, 2 Pack for Hayward Robotic AquaVac, TigerShark, and SharkVac
This set of replacement filters stands out for their compatibility with multiple Hayward models, including TigerShark, SharkVac, and AquaVac, making them a versatile choice for owners of these specific cleaners. Compared with the Dolphin filters, which target a broader range of brands and models, these cartridges excel in providing ultra-fine filtration specifically optimized for Hayward robots, ensuring dirt and debris are captured efficiently. The filters are constructed from impact-resistant PET fiber with a durable ABS plastic frame, promising a lifespan of 2-3 years with proper maintenance. However, they require regular cleaning every 4-6 weeks to prevent clogging, and their specificity means they won’t fit non-Hayward models. While their impact-resistant materials and reusability are strengths, the need for regular upkeep and limited compatibility are tradeoffs. Overall, this pick makes the most sense for Hayward owners seeking durable, long-lasting filters that deliver detailed cleaning, provided they are committed to routine maintenance.
Pros:- Compatible with multiple Hayward robotic models for versatility
- Ultra-fine filtration captures dirt and debris efficiently
- Impact-resistant, durable materials extend lifespan
- Reusable and easy to disassemble for cleaning
Cons:- Requires cleaning every 4-6 weeks to prevent clogging
- Specific to certain Hayward models, limiting universal use
- Filter element may need replacement after 2-3 years
Best for: Owners of Hayward TigerShark, SharkVac, or AquaVac robotic cleaners who want a durable, long-lasting filter solution.
Not ideal for: Users with non-Hayward robotic cleaners or those seeking a one-size-fits-all filter, as these are model-specific and require regular cleaning.
- Compatibility:Hayward TigerShark, SharkVac, AquaVac series
- Part Number:RCX70101PAK2
- Material:ABS plastic frame, PET fiber filter
- Filter Type:Ultra-fine, diamond-shaped grid
- Durability:Reinforced PET fiber, impact resistant
- Cleaning:Easy to disassemble and rinse
- Lifespan:2-3 years
Our verdict“This filter set is ideal for Hayward owners seeking a durable, effective solution that offers fine filtration and long-term value, as long as they are prepared for regular maintenance.”

How We Picked
These replacement filters were evaluated based on their compatibility with popular robotic pool cleaners, filtering efficiency, durability, ease of installation, and overall value. We prioritized products that perform well under regular use and are widely compatible with leading brands like Dolphin and Hayward. Cost-effectiveness was also considered, balancing price with longevity and cleaning performance. Our ranking reflects which filters provide the best performance for their price, ensuring buyers get reliable, easy-to-maintain options suited to different needs and budgets.| replacement filters for automatic pool cleaner | Compatibility | Material |
|---|---|---|
| Dolphin Filters 9991432-R4 Rep | Dolphin M400, M500, Nautilus CC Plus | — |
| Ultra Fine Filters Compatible | Nautilus CC Plus, M200, M400, M500, Nautilus CC Supreme, Sigma, Odyssey, Oasis Z5i, and more | Heavy-duty ABS plastic |
| Ultra-Fine Filter Panels for D | Dolphin Active 20/30, Advantage Ultra, Discovery, Explorer E30/50, M600, Mercury, Proteus DX4/DX5i, Prowler 920/930 series, and more | — |
| 9991408-R4 Pool Filter Replace | Dolphin DX6, Triton, Edge, Wave 75, Deluxe 5, Prowler 830, DX5+S, Deluxe 4, and more | ABS plastic |
| 4 Pack Hayward Sharkvac Pool F | — | Polyethylene (PET) fiber |
| Replacement Robotic Pool Clean | Hayward TigerShark, SharkVac, AquaVac series | ABS plastic frame, PET fiber filter |
Factors to Consider When Choosing Replacement Filters For Automatic Pool Cleaners
Choosing the right replacement filter involves more than just matching model numbers. It’s crucial to consider how well the filter captures debris, its lifespan, ease of installation, and compatibility with your specific pool cleaner. Understanding these factors helps avoid common pitfalls like overpaying for filters that don’t last or buying incompatible parts that reduce cleaning efficiency.Compatibility and Model Matching
Ensuring the filter fits your specific pool cleaner is the first step. Many filters are designed for particular models or brands, and using an incompatible filter can reduce cleaning performance or damage your device. Always double-check the product specifications and compatibility lists before purchasing, especially if you own a less common or older model.
Filtering Efficiency and Particle Size
Filters with ultra-fine or multiple-layer designs can capture smaller debris, leading to cleaner pools and less frequent vacuuming. However, finer filters may clog faster, requiring more frequent cleaning or replacement. Consider your pool’s typical debris load and choose a filter that balances particle size with ease of maintenance.
Durability and Lifespan
The quality of materials used in the filter affects how long it lasts. Higher-quality filters may cost more upfront but often provide better longevity and consistent performance over time. Cheaper filters might need replacement sooner, which could increase costs in the long run and cause inconvenient downtime.
Ease of Replacement and Maintenance
Opt for filters that are straightforward to install and remove. Some models come with quick-release clips or simple designs that save time and effort. Additionally, consider how easy it is to clean the filter—filters that can be rinsed and reused without disassembly offer significant convenience.
Cost and Pack Size
Bulk packs often provide better value, especially if you replace filters frequently. Be mindful of the balance between initial cost and longevity; sometimes paying a bit more yields better durability and lower replacement frequency. Avoid overly cheap filters that may underperform or need frequent replacement, negating savings.
Frequently Asked Questions
How often should I replace my pool cleaner filters?
The frequency of replacement depends on your pool’s usage and debris load. Typically, filters should be checked weekly and replaced when they become visibly clogged or show signs of wear. Regular cleaning can extend their lifespan, but most filters will need replacement every 3 to 6 months for optimal performance, especially in heavily debris-laden pools.
Can I use generic filters instead of brand-specific ones?
While generic filters may seem like a cost-saving option, they can compromise fit and filtration quality. Incompatible filters might reduce cleaning efficiency or cause damage to your cleaner. It’s generally safer to choose filters explicitly designed for your specific model or brand to ensure proper fit and performance.
Are ultra-fine filters worth the extra cost?
Ultra-fine filters are excellent for capturing small debris like pollen, algae spores, and fine dirt, resulting in a cleaner pool. However, they tend to clog faster and require more frequent cleaning. If your pool has a lot of fine debris or you desire a higher standard of cleanliness, the investment can be worthwhile, but for occasional use, standard filters may suffice.
What is the best way to extend the life of my replacement filters?
Regularly rinsing filters with clean water to remove debris and storing them in a dry, shaded area can prolong their lifespan. Avoid overloading the filter with excessive debris, and check for signs of damage or deterioration. Using the recommended cleaning and replacement schedule helps maintain optimal filtration and reduces the need for early replacements.
Do I need to replace the entire filter or just the panels?
This depends on the filter design. Some filters have replaceable panels or cartridges, making partial replacements cost-effective and environmentally friendly. Others are designed as complete units that must be replaced entirely. Always follow the manufacturer’s guidance to avoid damaging your cleaner or reducing filtration effectiveness.
Conclusion
For most pool owners, the Dolphin Filters 9991432-R4 offers a reliable, all-around solution, making it the best choice for those who want peace of mind and ease of use. Budget-conscious buyers should consider the Ultra Fine Filters Compatible with Dolphin Nautilus CC Plus for their affordability and excellent filtration. If you prefer premium durability and longer-lasting performance, investing in higher-end filters like the Hayward Sharkvac Cartridges pays off. Beginners will benefit from filters that are easy to install and maintain, while those with heavy debris loads should prioritize ultra-fine options for superior cleaning. Match your choice to your specific needs for the best results in 2026.
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