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418 products found
Jandy CV Series Cartridge Filter | 580 Sq Ft | CV580
Jandy CV Series Cartridge Filter | 580 Sq Ft | CV580
$1,788.09
★★★★★ (7)
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Jandy CL Series Cartridge Pool Filter | 580 Sq Ft | CL580
Jandy CL Series Cartridge Pool Filter | 580 Sq Ft | CL580
$1,732.00
★★★★★ (3)
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Raypak Protege RPCFP150 Above Ground Pool Cartridge Filter System | 150 Sq. Ft. Filter 1.5HP Pump | 110/115V | 018201
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Raypak Protege RPCFP150 Above Ground Pool Cartridge Filter System | 150 Sq. Ft. Filter 1.5HP Pump | 110/115V | 018201
$632.39
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Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 400 Sq Ft | S7M400-KIT | 170146
Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 400 Sq Ft | S7M400-KIT | 170146
$599.00
★★★★★ (2)
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Hayward Star Clear Above Ground Pool Filter Cartridge with 1.5" Female Thread | 50 sq. ft. | C500
Hayward Star Clear Above Ground Pool Filter Cartridge with 1.5" Female Thread | 50 sq. ft. | C500
$431.96
★★★★★ (23)
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Waterco Fulflo TC500 Cartridge Filter | 500 Sq. Ft. 134 GPM | 2165500USA | 2165500NA | 2165500A
Waterco Fulflo TC500 Cartridge Filter | 500 Sq. Ft. 134 GPM | 2165500USA | 2165500NA | 2165500A
$1,235.33
★★★★★ (18)
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Pentair THS Series Horizontal Sand Filter | 42" x 96" | 144296
Pentair THS Series Horizontal Sand Filter | 42" x 96" | 144296
$19,796.66
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Waterco Fulflo TC400 Cartridge Filter | 400 Sq. Ft. 134 GPM | 2165400USA | 2165400NA | 2165400A
Waterco Fulflo TC400 Cartridge Filter | 400 Sq. Ft. 134 GPM | 2165400USA | 2165400NA | 2165400A
$699.00
★★★★★ (20)
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Jandy CS Cartridge Filter | 150 Sq Ft | CS150
Jandy CS Cartridge Filter | 150 Sq Ft | CS150
$777.52
★★★★★ (12)
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Waterco Micron S600 24" Top Mount Filberglass Sand Filter with 1.5" Multiport Valve | 3.05 Sq. Ft. 59 GPM | 2201244A
Waterco Micron S600 24" Top Mount Filberglass Sand Filter with 1.5" Multiport Valve | 3.05 Sq. Ft. 59 GPM | 2201244A
$519.18
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Waterway ClearWater II Above Ground Pool Standard Cartridge Filter System | 1.5HP 2-Speed Pump 150 Sq. Ft. Filter | 3' Twist Lock Cord | 522-5167-3S
Waterway ClearWater II Above Ground Pool Standard Cartridge Filter System | 1.5HP 2-Speed Pump 150 Sq. Ft. Filter | 3' Twist Lock Cord | 522-5167-3S
$591.37
★★★★★ (2)
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Waterway ClearWater II Above Ground Pool Standard Cartridge Filter System | 1.5HP 2-Speed Pump 150 Sq. Ft. Filter | 3' NEMA Cord | 522-5167-6S
Waterway ClearWater II Above Ground Pool Standard Cartridge Filter System | 1.5HP 2-Speed Pump 150 Sq. Ft. Filter | 3' NEMA Cord | 522-5167-6S
$622.80
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Waterco Micron SM750 30" Side Mount Sand Filter | 8" Neck 2" Port | 4.76 Sq. Ft. 96 GPM | 220008304NA
Waterco Micron SM750 30" Side Mount Sand Filter | 8" Neck 2" Port | 4.76 Sq. Ft. 96 GPM | 220008304NA
$749.27
★★★★★ (2)
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Waterco Micron SM900 36" Side Mount Sand Filter | 8" Neck | 7.01 Sq. Ft. 140 GPM | 220008364NA
Waterco Micron SM900 36" Side Mount Sand Filter | 8" Neck | 7.01 Sq. Ft. 140 GPM | 220008364NA
$1,109.27
★★★★★ (1)
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Custom Molded Products 7.5" P Slide Valve Assembly | Cream | 263064 | 25831-119-750
Custom Molded Products 7.5" P Slide Valve Assembly | Cream | 263064 | 25831-119-750
$116.57
★★★★★ (2)
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Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 500 Sq Ft | S8M500-KIT | 170148
Sta-Rite OEM Replacement Cartridge Set for Sta-Rite System:3 Filter | 500 Sq Ft | S8M500-KIT | 170148
$883.09
★★★★★ (2)
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Waterco Micron S750 30" Top Mount Fiberglass Sand Filter | 4.76 Sq. Ft. 93 GPM | 2201304NA
Waterco Micron S750 30" Top Mount Fiberglass Sand Filter | 4.76 Sq. Ft. 93 GPM | 2201304NA
$647.70
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Waterco Micron S500 20" Top Mount Filberglass Sand Filter with 1.5" Multiport Valve | 2.12 Sq. Ft. 41 GPM | 2201224A
Waterco Micron S500 20" Top Mount Filberglass Sand Filter with 1.5" Multiport Valve | 2.12 Sq. Ft. 41 GPM | 2201224A
$412.72
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Custom Molded Products H Slide Valve Assembly | Black | SP0410X502S | 25831-004-000
Custom Molded Products H Slide Valve Assembly | Black | SP0410X502S | 25831-004-000
$101.98
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Waterco Micron S900 36" Top Mount Filberglass Sand Filter with 2" Multiport Valve | 6.85 Sq. Ft. 134 GPM | 2201364A
Waterco Micron S900 36" Top Mount Filberglass Sand Filter with 2" Multiport Valve | 6.85 Sq. Ft. 134 GPM | 2201364A
$985.17
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D.E. Filters
DE Filter Backwash Valves (all brands)
Cartridge Filters (all brands)
Pool Sand Filters
Sand Filter Backwash Valves (all brands)
Above Ground Pool Filters
Waterway Swimming Pool Filters
Pentair Pool Filters
Sta-Rite Pool Filters
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Madimack Cartridge Filters

Pool Filters for Sale Online

The best selection of pool filters to remove unwanted impurities and debris from your pool’s water are at Pool Supply Unlimited. Our sand, cartridge, and diatomaceous earth (D.E.) pool filters from leading pool brands like Pentair give you plenty of options when deciding which pool filter is best for your swimming pool.
 
Pool Supply Unlimited also carries the necessary pool chemicals and pool supplies you need to keep your pool clean and sanitized, whether it’s open for the summer or all year long.

Different Types of Pool Filters

Pool filters pull the water through filtration media to catch and trap any dirt, sediment, and other elements before pushing the clean water back into the pool. The actual materials used to filter out the water and trap dirt and sediment will vary, as will the mechanics of the pool filters themselves.
 
In some cases, your pool type or location will require a specific type of filter, and in other cases, you'll just want to decide on what's best for your needs. For instance, what’s best for a single-family home may not be what’s best for a large commercial pool. To understand your choices when it comes to pool filters, it's good to first get a better understanding of how each filter type works.

Cartridge Filters

Cartridge pool filters work by passing water through a pleated cartridge, collecting unwanted dirt and debris while the newly cleaned water continues through to the pool. Cartridge pool filters can filter down to about 10 microns. Cleaning the internal cartridge is fairly simple, just take it out and rinse it off making sure to properly clean between the pleats before returning to the filter. Cartridge pool filters are recommended for public pools or pools in busy apartment complexes and hotels.

D.E Filters

Diatomaceous earth (D.E.) pool filters use diatomaceous earth to coat filter grids that collect dirt and sediment to give your pool the thorough cleaning it needs. D.E pool filters can filter down to about 5 microns, the lowest micron rating of any style pool filter, making them a great choice for the best water clarity. Like cartridges, the D.E. filter grids inside your D.E. pool filter will eventually need to be replaced.

Sand Filters

Because of their simple, effective, and relatively low maintenance needs, sand pool filters are one of the most popular swimming pool filter options available today. As pool water is routed through a sand-filled pressure vessel, dirt accumulates between sand particles. Sand pool filters are relatively low maintenance with sand only having to be replaced every few years, but do require “back-washing” to clean the filter. Sand pool filters are the least effective filter type, filtering about 20 microns at best.
 
Pool Supply Unlimited has cartridge pool filter and sand pool filter systems for above ground pools in a pool filter and pool pump combination.
 
No matter what your pool and spa filter needs, Pool Supply Unlimited has the best selection of pool and spa filters for you to choose from.

RELATED ARTICLES

Which Pool Filter is Best for My Swimming Pool?

Which Pool Filter is Best for My Swimming Pool?

As you probably know, pool filters are designed to aid in keeping pool water clean by trapping dirt, debris and other such elements. But there are a few different methods to pool filtration - each with their own advantages and shortcomings.

What Replacement Filter Cartridge Do I Need?

What Replacement Filter Cartridge Do I Need?

Not sure what model you need to replace that dirty cartridge in your filter? Here are some tips to take away the confusion and get the problem solved.

How To Add D.E. Powder To Your Pool

How To Add D.E. Powder To Your Pool

If you own a D.E. Filter or are planning on investing in one as the water filtration system for your swimming pool you will at some point or another need to add D.E. powder to your pool. This blog post provides a brief overview of what D.E powder is and how it works and a detailed step by step guide for safely adding D.E. powder to your pool.

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Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in San Antonio, TX and can land most products to your door (within the 48 contiguous states) in less than a week.
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