Choosing the right pool filter cartridge can dramatically improve water clarity and filtration efficiency. This guide highlights top cartridges that fit commonAbove-ground and in-ground pool pumps, offering durable media, compatible sizes, and easy maintenance. Whether you need a versatile replacement for multiple pump sizes or a high-density media option for deeper filtration, these selections help keep your pool sparkling with less effort.
| Product | Brand | Key Benefit | Compatible Pumps / Sizes | Approximate Fit |
|---|---|---|---|---|
| Bestway 58012E Type III/A | Bestway | Versatile replacement for multiple pump sizes | 500/800/1500 gallon filter pumps | 6-pack; Type III/A |
| Intex 29002E Type A | Intex | Easy-to-clean filtration with Dacron | 28603EG, 28637EG, 28635EG compatible pumps | Two-pack |
| POOLPURE PLF120A | POOLPURE | High-capacity filtration with NSF/ANSI 50 certified fabric | Hayward, Unicel, Filbur, Clearwater and more | Single cartridge per listing |
| Swimara CCP420 | Swimara | Premium 5oz filtration media for finer filtration | Pentair Clean & Clear Plus 420, Waterway 425 and more | 4-pack |
| Optimum Pool Technologies 4-Pack | Optimum Pool Technologies | Durable Reemay filtration with strong support bands | Pentair CCP420, Waterway 105 SQFT, and more | 4-pack |
Bestway 58012E Type III/A Pool Filter Cartridge

The Bestway 58012E Type III/A cartridge is sold as a 6-pack and is designed for replacement in 500, 800, and 1500 gallon filter pumps. It offers a versatile option for maintaining pool clarity by providing consistent filtration performance and is intended for regular replacement every two weeks to extend the life of pool pumps.
Intex 29002E Type A Pool Filter Cartridge

This Intex cartridge uses easy-to-clean Dacron paper and is compatible with select INTEX Krystal Clear filter pump models. Regular replacement every two weeks is recommended for optimal results, ensuring efficient filtration and clear pool water.
POOLPURE PLF120A Pool Filter Cartridge

The POOLPURE PLF120A is a compatible replacement widely used for Hayward, Unicel, and other brands. It features Trilobal Filtration Fabric with a 120 square feet area and is NSF/ANSI 50 certified, providing safe materials and reliable filtration for compliant pool systems.
Swimara Upgraded 5oz CCP420 Filter Cartridges

Swimara’s CCP420 compatible cartridge uses premium 5oz trilobal spunbond polyester media. It provides finer filtration (down to about 10 microns) and is designed to fit Pentair Clean & Clear Plus 420 and similar models, offering a robust alternative with strong filtration density.
Optimum Pool Technologies 4-Pack

Optimum Pool Technologies offers a 4-pack compatible with Pentair CCP420 and related models. Made in the USA with 100% Reemay media, these cartridges emphasize durability, cleanability, and standardized sizing (3 inch inner diameter, 7 inch outer, 26-1/16 inch length) for dependable filtration performance.
Buying Guide
Key factors to consider when selecting pool filter cartridges:
- Compatibility: Confirm the cartridge model matches your filter housing size, gasket dimensions, and pump flow requirements. Check the inner diameter, outer diameter, and length to ensure a proper seal and fit.
- Filtration media: Cartridges use different media densities. Thicker, higher-density media (like 5oz) offers finer filtration but may increase resistance. Balance filtration quality with your pump’s flow rate.
- Micron rating: A lower micron rating means finer filtration. For typical domestic pools, a range around 10 to 20 microns is common for daily use; higher precision models suit pools needing finer removal of particulates.
- Maintenance cadence: Some cartridges require more frequent changes due to debris load or media quality. Establish a replacement schedule (commonly every 2 weeks for regular pools) based on pool usage and water clarity.
- Certification and safety: NSF/ANSI 50 certification indicates the filter media meets safety and performance standards, offering assurance for pool water safety and material quality.
- Economy vs. performance: Multi-pack offerings reduce per-unit cost and ensure you have ready replacements, but verify compatibility and total lifecycle costs with your pool setup.
- Brand ecosystem: Some brands offer a wide range of compatible replacements across multiple pump models, providing convenience for ongoing maintenance and future upgrades.
When choosing between brands, consider your pump compatibility, maintenance goals, and whether you prefer standardized cross-brand replacements or OEM-specific cartridges. For many homeowners, selecting a high-density, well-certified cartridge that matches their filter housing provides reliable filtration with manageable upkeep.
