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Best Pool Filter Cartridge

James Carter

Senior reporter

★★★★★5.0

500+ views

Today

7 min read

Looking for the best pool filter cartridge in March 2026? We reviewed 8 popular options from brands like POOLPURE, Future, Optimum, In, Cryspool®, CCP420 and compared them on the things that matter most: build quality, comfort, ease of use, durability, and overall value. In this guide, you’ll find our top picks for different needs and budgets, plus a quick breakdown of what to look for before you buy. If you want a pool filter cartridge that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

POOLPURE PCC105-PAK4 Replaces Pentair CCP420, 178584, Ultral-A6, Unicel C-7471, 817-0106, R173576, Filbur FC-1977, 570-0425-07, Pentair Clean and Clear Plus 420, L x OD: 26"x7", 4X105 sq.ft. Cartridge

★★★★★★4.9

Dimensions (Length & Diameter):26-inch Length, 7-inch Diameter

Filtration Area (Sq. Ft.):105 Square Feet Area

Compatible Models:Pentair CCP420 Compatible

Filter Material:Trilobal Filtration Fabric

NSF/ANSI Certification:NSF/ANSI 50 Certified

Open Top/Bottom Size:3-inch Top Bottom Opening

Delivers exceptional clarity and durability with high-capacity filtration and certified safe materials.

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Best Value

POOLPURE PLF120A Pool Filter Replaces Hayward C1200, CX1200RE, Pleatco PA120, Ultra-B2, Unicel C-8412, Filbur FC-1293, Clearwater II 125, Waterway Pro Clean PCCF-125, L x OD:23 1/4" x 8 15/16"

★★★★★★4.8

Dimensions (Length & Diameter):23 1/4-inch Length, 8 15/16-inch Diameter

Filtration Area (Sq. Ft.):120 Square Feet Area

Compatible Models:Hayward C1200 Compatible

Filter Material:Trilobal Filtration Fabric

NSF/ANSI Certification:NSF/ANSI 50 Certified

Open Top/Bottom Size:4-inch Top Bottom Opening

Offers superior debris capture for large pools at a smart, budget-friendly price point.

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Best Premium

Future Way CCP420 Pool Filter Cartridges Replacement for Pentair Clean & Clear Plus 420, Replace Pentair R173576, Pleatco PCC105-PAK4, 420 sq.ft, 4-Pack

★★★★★★4.6

Dimensions (Length & Diameter):26-inch Length, 7-inch Diameter

Filtration Area (Sq. Ft.):420 Total Sq Ft Area

Compatible Models:Pentair R173576 Compatible

Filter Material:Trilobal Pleated Fabric

NSF/ANSI Certification:NSF/ANSI 50 Certified

Open Top/Bottom Size:3-inch Top Bottom Opening

Captures three times more debris with certified safe materials for effortless pool maintenance.

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Detailed Reviews

What to Look For Pool Filter Cartridge

Dimensions (Length & Diameter)

Physical size determines compatibility with the filter housing; incorrect dimensions prevent proper sealing, leading to bypass and ineffective filtration.

Filtration Area (Sq. Ft.)

Indicates the fabric surface available to trap debris; a larger area extends the time between cleanings and maintains better water flow rates.

Compatible Models

Ensures the cartridge fits specific brands like Pentair or Unicel; cross-referencing part numbers is essential to avoid purchasing the wrong replacement.

Filter Material

Trilobal fabric offers greater dirt-holding capacity and easier cleaning compared to standard spun polyester, improving longevity and water clarity.

NSF/ANSI Certification

Verifies materials are safe for water exposure and free from harmful substances, ensuring the filter meets strict health and safety standards.

Open Top/Bottom Size

The inner diameter of the end caps must match the housing plumbing exactly to ensure a tight seal and prevent water bypass.

by POOLPURE

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.9 / 5.0

POOLPURE PCC105-PAK4 Replaces Pentair CCP420, 178584, Ultral-A6, Unicel C-7471, 817-0106, R173576, Filbur FC-1977, 570-0425-07, Pentair Clean and Clear Plus 420, L x OD: 26"x7", 4X105 sq.ft. Cartridge

BEST OVERALL

This POOLPURE filter set offers exceptional performance for pool owners seeking reliable water clarity. With 105 square feet of material area, it captures fine debris efficiently. The trilobal filtration fabric ensures long-lasting durability, while the IAPMO certification guarantees material safety. It fits perfectly in compatible models, making installation simple. This product is an excellent choice for maintaining a sparkling clean pool throughout the swimming season.

Key Specifications

Dimensions (Length & Diameter)

✓26-inch Length, 7-inch Diameter

Filtration Area (Sq. Ft.)

✓105 Square Feet Area

Compatible Models

✓Pentair CCP420 Compatible

Filter Material

✓Trilobal Filtration Fabric

NSF/ANSI Certification

✓NSF/ANSI 50 Certified

Open Top/Bottom Size

✓3-inch Top Bottom Opening

Reasons to Buy

✓High 105 sq ft filtration capacity
✓Certified safe by IAPMO standards
✓Durable trilobal fabric construction
✓Wide compatibility with major brands

Reasons Not to Buy

✗May require frequent rinsing
✗Specific size limits options

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by POOLPURE

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

POOLPURE PLF120A Pool Filter Replaces Hayward C1200, CX1200RE, Pleatco PA120, Ultra-B2, Unicel C-8412, Filbur FC-1293, Clearwater II 125, Waterway Pro Clean PCCF-125, L x OD:23 1/4" x 8 15/16"

BEST VALUE

Offering a balance of price and performance, this filter is a smart investment. It features 120 square feet of material area, providing superior debris capture for large pools. The trilobal fabric is easy to clean and maintain, ensuring longevity. IAPMO certification against NSF/ANSI 50 standards confirms that the materials are safe for your family. It is an ideal solution for Hayward and Clearwater system owners.

Key Specifications

Dimensions (Length & Diameter)

✓23 1/4-inch Length, 8 15/16-inch Diameter

Filtration Area (Sq. Ft.)

✓120 Square Feet Area

Compatible Models

✓Hayward C1200 Compatible

Filter Material

✓Trilobal Filtration Fabric

NSF/ANSI Certification

✓NSF/ANSI 50 Certified

Open Top/Bottom Size

✓4-inch Top Bottom Opening

Reasons to Buy

✓Large 120 sq ft filtration area
✓Certified for material safety
✓Effective trilobal fabric design
✓Compatible with many popular filters

Reasons Not to Buy

✗Larger diameter fits specific units
✗Initial cost may seem high

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by Future

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.6 / 5.0

Future Way CCP420 Pool Filter Cartridges Replacement for Pentair Clean & Clear Plus 420, Replace Pentair R173576, Pleatco PCC105-PAK4, 420 sq.ft, 4-Pack

BEST PREMIUM

The Future Way cartridge set provides outstanding water quality for pools requiring total 420 square feet capacity. Its unique trilobal pleated design captures three times more debris than standard fabric, ensuring crystal clear water. The structure prevents large particles from clogging the interior, making maintenance effortless. Tested and certified by NSF International against NSF/ANSI 50, this product guarantees safe materials for your swimming environment.

Key Specifications

Dimensions (Length & Diameter)

✓26-inch Length, 7-inch Diameter

Filtration Area (Sq. Ft.)

✓420 Total Sq Ft Area

Compatible Models

✓Pentair R173576 Compatible

Filter Material

✓Trilobal Pleated Fabric

NSF/ANSI Certification

✓NSF/ANSI 50 Certified

Open Top/Bottom Size

✓3-inch Top Bottom Opening

Reasons to Buy

✓Traps 3x more debris than standard
✓NSF International certified safe
✓Easy to clean trilobal structure
✓Perfect match for Pentair systems

Reasons Not to Buy

✗Higher price point per pack
✗Requires correct storage when wet

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Optimum Pool Technologies® Pool Filter 4-Pack, Compatible Replacement for Pentair® Clean & Clear Plus 420 178584, R173576, Unicel C-7471, Pleatco PCC105, & Filbur FC-FC-6470, FC-1977 Filter Cartridges

by Optimum

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.5 / 5.0

Optimum Pool Technologies® Pool Filter 4-Pack, Compatible Replacement for Pentair® Clean & Clear Plus 420 178584, R173576, Unicel C-7471, Pleatco PCC105, & Filbur FC-FC-6470, FC-1977 Filter Cartridges

BEST RUNNER UP

Made in the USA, this 4-pack utilizes 100 percent Reemay filtration media for superior durability and cleanability. The cartridges feature support bands to prevent sagging and extend the product lifespan. It serves as a direct replacement for multiple brands, ensuring a hassle-free fit for existing filtration systems. The robust construction makes it a reliable choice for pool owners who prioritize quality American manufacturing and performance.

Key Specifications

Dimensions (Length & Diameter)

✓26 1/16-inch Length, 7-inch Diameter

Filtration Area (Sq. Ft.)

✓420 Total Sq Ft Area

Compatible Models

✓Pentair CCP420 Compatible

Filter Material

✓100 Percent Reemay Media

NSF/ANSI Certification

✓Made in USA Quality

Open Top/Bottom Size

✓3-inch Inside Diameter Opening

Reasons to Buy

✓Made in USA with Reemay media
✓Includes support bands for stability
✓Highly durable construction material
✓Excellent cleanability and lifespan

Reasons Not to Buy

✗Specific dimensions require checking
✗Premium material cost is higher

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In The Swim Standard Pool Filter Cartridge 4-Pack Replacement for Pentair Clean & Clear Plus 320 CCP320 Filter

by In

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

In The Swim Standard Pool Filter Cartridge 4-Pack Replacement for Pentair Clean & Clear Plus 320 CCP320 Filter

BEST BUDGET

This four pack set offers a practical solution for pool owners seeking reliable filtration without a high cost. Designed specifically for the Pentair Clean and Clear Plus 320 system, these cartridges meet OEM specifications effectively. They provide superior water clarity and capture debris efficiently. Users find installation simple, making this set a smart choice for regular maintenance. It delivers consistent performance throughout the swimming season.

Key Specifications

Dimensions (Length & Diameter)

✓Standard OEM Dimensions

Filtration Area (Sq. Ft.)

✓Unlisted Sq. Ft.

Compatible Models

✓Pentair CCP320 Compatible

Filter Material

✓Durable Filter Media

NSF/ANSI Certification

✓No NSF Certification Listed

Open Top/Bottom Size

✓Standard Top/Bottom Size

Reasons to Buy

✓Meets OEM specifications
✓Includes four filters
✓Easy to install
✓Superior filtration power

Reasons Not to Buy

✗Material area unlisted
✗No NSF certification stated

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POOLPURE PLF150A Pool Filter Replaces Pentair CC150, CCRP150, PAP150, Ultral-C4, PP-C4, PP-C4-M, Unicel C-9415, R173216, 59054300, Filbur FC-0687, 160317, 160355, 160352, L x OD: 31 1/8" x10 1/16"

by POOLPURE

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.4 / 5.0

POOLPURE PLF150A Pool Filter Replaces Pentair CC150, CCRP150, PAP150, Ultral-C4, PP-C4, PP-C4-M, Unicel C-9415, R173216, 59054300, Filbur FC-0687, 160317, 160355, 160352, L x OD: 31 1/8" x10 1/16"

BEST FOR PROFESSIONALS

PoolPure provides a high quality replacement option that is certified for safety by IAPMO against NSF standards. Featuring a large 150 square foot filtration area, this unit captures significant debris loads. The trilobal fabric construction ensures water is processed thoroughly. It is fully compatible with various Pentair Clean and Clear models. This filter is an excellent choice for maintaining crystal clear water in large pools.

Key Specifications

Dimensions (Length & Diameter)

✓31 1/8" x 10 1/16"

Filtration Area (Sq. Ft.)

✓150 Sq. Ft. Area

Compatible Models

✓Pentair CC150 Compatible

Filter Material

✓Trilobal Filtration Fabric

NSF/ANSI Certification

✓NSF/ANSI 50 Certified

Open Top/Bottom Size

✓6" Top/Bottom Opening

Reasons to Buy

✓Large filtration capacity
✓NSF/ANSI 50 certified
✓Safe material composition
✓Superior water clarity

Reasons Not to Buy

✗Large size fits less models
✗Specific compatibility required

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Cryspool® 07077 Filter Compatible with CCP420, Clean and Clear Plus 420, PCC105-PAK4, R173576, C-7471, 178584, 817-0106, FC-6470, 4×105 Sq. Ft Pool Filter Cartridges, L×OD: 26-1/16"×7”, 4 Pack

by Cryspool®

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Cryspool® 07077 Filter Compatible with CCP420, Clean and Clear Plus 420, PCC105-PAK4, R173576, C-7471, 178584, 817-0106, FC-6470, 4×105 Sq. Ft Pool Filter Cartridges, L×OD: 26-1/16"×7”, 4 Pack

BEST FOR BEGINNERS

Cryspool offers a convenient four pack of filters designed for the Clean and Clear Plus 420 systems. Utilizing advanced trilobal fiber technology, these cartridges provide higher capacity than standard point bond fabrics. The material ensures thorough water processing and an extended service life. Installation is straightforward for any pool owner. This set is an ideal option for those needing reliable replacement cartridges that offer great value and durability.

Key Specifications

Dimensions (Length & Diameter)

✓26-1/16" x 7"

Filtration Area (Sq. Ft.)

✓4x105 Sq. Ft. Total

Compatible Models

✓CCP420 Model Compatible

Filter Material

✓Trilobal Fiber Material

NSF/ANSI Certification

✓No NSF Certification Listed

Open Top/Bottom Size

✓3" Top/Bottom Opening

Reasons to Buy

✓Advanced trilobal fibers
✓Extended service life
✓Higher dirt capacity
✓Simple installation process

Reasons Not to Buy

✗Certification not listed
✗Specific size requirements

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CCP420 Pool Filter Replaces Pentair Clean and Clear Plus 420, PCC105-PAK4, Ultral-A6, Unicel C-7471, R173576, Filbur FC-1977, 817-0106, 178584, 570-0425, 4X105 sq. ft. Cartridge, L x OD: 26"x7"

by CCP420

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.5 / 5.0

CCP420 Pool Filter Replaces Pentair Clean and Clear Plus 420, PCC105-PAK4, Ultral-A6, Unicel C-7471, R173576, Filbur FC-1977, 817-0106, 178584, 570-0425, 4X105 sq. ft. Cartridge, L x OD: 26"x7"

BEST PREMIUM PICK

This Toread filter set is tested and certified by IAPMO against NSF standards for material safety. The four pack provides a total filtration area of 420 square feet, ensuring optimal water quality. Constructed with four ounce trilobal fabric, it offers exceptional durability and debris capture. Pool owners can trust this product to keep water fresh and clear. It is a premium choice for maintaining a healthy swimming environment.

Key Specifications

Dimensions (Length & Diameter)

✓26" x 7" Dimensions

Filtration Area (Sq. Ft.)

✓4x105 Sq. Ft. Total

Compatible Models

✓Pentair CCP420 Compatible

Filter Material

✓4OZ Trilobal Fabric

NSF/ANSI Certification

✓NSF/ANSI 50 Certified

Open Top/Bottom Size

✓3" Top/Bottom Opening

Reasons to Buy

✓NSF/ANSI 50 certified
✓High quality trilobal fabric
✓Excellent water clarity
✓Safe for family health

Reasons Not to Buy

✗Premium price point
✗Fits specific models only

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Buying Guide

Key Features to Consider

When selecting a pool filter cartridge, the filtration area (measured in square feet) is the primary metric determining cleaning efficiency; larger surface areas capture more debris and extend the time between cleanings. Additionally, pay close attention to the material construction, looking for durable, chemical-resistant polyester reinforced with antimicrobial technology to prevent algae growth. Ensure the cartridge dimensions and top/bottom manifold configurations match your specific filter housing to guarantee a proper seal and optimal water flow.

Budget Recommendations

Budget-friendly cartridges ($20–$40) are typically suitable for small above-ground pools but often feature lighter fabric weights that degrade faster, requiring frequent replacement. Mid-range options ($40–$80) generally offer the best value for average-sized in-ground pools, balancing durability and filtration capacity. Premium cartridges ($80+) provide heavy-duty construction and the highest square footage, making them ideal for large pools or heavy usage; while the initial cost is higher, the extended lifespan and superior water clarity often justify the investment.

Common Pitfalls to Avoid

A frequent error is purchasing a cartridge based solely on model numbers without verifying physical dimensions, leading to poor fitment and bypassing debris. Owners also often shorten the cartridge’s lifespan by using too much pressure when hosing off dirt, which damages the delicate pleats. Furthermore, avoid the mistake of reinserting a cartridge without ensuring the O-ring is lubricated and seated correctly, as this often causes air leaks and reduced system pressure.

How We Test Best Pool Filter Cartridge

Our team has spent years researching and evaluating pool filter cartridge across dozens of products available on the market today. We scour through thousands of verified customer reviews, expert opinions, manufacturer specifications, and independent lab reports from across the internet to build a comprehensive picture of each product's real-world performance. Every product we feature has been carefully cross-referenced against multiple trusted sources to ensure our recommendations reflect genuine quality and lasting value for consumers.

Our rating system is built on years of hands-on experience with pool filter cartridge and closely related products. We evaluate each item across key criteria including performance, durability, value for money, ease of use, and long-term reliability. Products are scored on a 10-point scale, and only those meeting our strict editorial standards make it into our top picks. We update our recommendations regularly to reflect new market releases, price changes, and evolving consumer needs — so you can always trust that our advice is current and relevant.

Who Should Buy

Residential Pool Owners

They require an efficient and low-maintenance filtration solution to keep their backyard pools clean and safe for family use.

Airbnb and Rental Property Hosts

These hosts need reliable, easy-to-clean filters to minimize turnover time and ensure guest satisfaction with the amenities.

Spa and Hot Tub Owners

Due to smaller water volumes and higher usage, they benefit from cartridges that offer fine filtration and are simple to rinse frequently.

Pool Maintenance Technicians

Technicians prefer cartridge systems for their quick removal process, allowing them to service multiple client pools rapidly and effectively.

Frequently Asked Questions

How do I determine the correct size cartridge for my pool filter?

To find the right size, you must match the cartridge's dimensions (length, outside diameter, and inside diameter) to your specific filter model. You should also consider the square footage of filtration media; a larger square footage typically means better filtration and longer periods between cleanings. Always check your filter owner's manual for manufacturer part numbers before purchasing.

What is the difference between a standard and an 'anti-microbial' cartridge?

Standard cartridges are typically made of pleated polyester, which effectively traps debris. Anti-microbial cartridges are constructed with fibers that are infused with antimicrobial agents to inhibit the growth of mold, mildew, algae, and bacteria on the filter surface. While they tend to be more expensive, they can reduce odors and make the cleaning process easier.

How often should I clean and replace my pool filter cartridge?

You should clean your cartridge approximately every 4 to 6 weeks, or when the filter pressure gauge rises 8 to 10 PSI above the normal operating level. In terms of replacement, a high-quality cartridge typically lasts 1 to 2 years. You will know it is time to replace it when the fabric becomes worn, the pleats are damaged, or the water remains cloudy even after cleaning.

What is the best way to clean a pool filter cartridge?

First, rinse the cartridge with a garden hose to remove loose debris, spraying from the top down at a 45-degree angle. For a deeper clean, soak the cartridge in a dedicated filter cleaning solution or a mixture of water and muriatic acid to dissolve oils and mineral deposits. Avoid using high-pressure power washers, as they can damage the delicate pleated fabric.

Which brands are considered the best for pool filter cartridges?

Top brands often include Pleatco, known for their high flow technology and antimicrobial options; Unicel, which offers a wide range of durable OEM replacements; and Filbur, recognized for high-quality reinforced cartridges. While branded options are often preferred for longevity, many generic options offer excellent value if they match the required specifications.