Pool Filters

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Jandy CS250

Jandy CS250

Jandy 250 Sq. Ft. CS Cartridge Pool Filter

Our Price: $549.99
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Hayward S166T

Hayward S166T

Hayward Pro Series Top-Mount Sand Filter with Multiport-Valve - 35 GPM, 1.4 Sq. Ft.

Our Price: $219.99
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Hayward S270T

Hayward S270T

Hayward Pool Filter, 27" Pro-Series Sand Top-Mount w/1.5" Valve

Our Price: $363.99
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Unicel C-7470

Unicel C-7470

Unicel Series 7000 Filter Cartridge for Pools, 80 Sq. Ft.

Our Price: $50.90
as low as: $47.34

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Unicel 6CH-940

Unicel 6CH-940

Unicel Series 6000 Filter Cartridge for Spas, 45 Sq. Ft.

Our Price: $25.90
as low as: $24.09

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Hayward S180T92S

Hayward S180T92S

Hayward Pro Series Top-Mount Sand Filter System with 1 HP Pump - 35 GPM, 1.75 Sq. Ft.

Our Price: $449.99
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Pentair PNCC0200OP2160

Pentair PNCC0200OP2160

Pentair Clean & Clear Aboveground Cartridge Filter System, 2 HP Pump - Two-Speed - 200 Sq. Ft Filter Area

Our Price: $546.99
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Unicel C-7468

Unicel C-7468

Unicel Series 7000 Filter Cartridge for Pools, 115 Sq. Ft.

Regular Price: $64.99
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Pentair PNSD0060DP2160

Pentair PNSD0060DP2160

Pentair Sand Dollar Aboveground Sand Filter System, 2.0 HP - Two Speed - 2.3 Sq. Ft Filter Area

Our Price: $461.49
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Hayward CX800RE

Hayward CX800RE

Hayward 75 Sq.Ft. Filter Cartridge for C800 Star-Clear II Filters

Regular Price: $73.99
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Unicel C-7482

Unicel C-7482

Unicel Series 7000 Filter Cartridge for Pools, 145 Sq. Ft.

Regular Price: $77.99
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Pentair 160318

Pentair 160318

Pentair Clean and Clear Cartridge Filter, 200 Sq. Ft.

Our Price: $528.99
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Pentair 25230-0125S

Pentair 25230-0125S

Pentair Sta-Rite Replacement Filter Cartridge (PXC125), 125 Sq. Ft.

Our Price: $89.99
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Hayward S180T

Hayward S180T

Hayward Pro Series Top-Mount Sand Filter with Multiport-Valve - 35 GPM, 1.75 Sq. Ft.

Our Price: $249.99
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Hayward S244T2

Hayward S244T2

Hayward Pool Filter, Pro Series 24" Top Mount Sand Filter w/ 2" Valve Multiport-Valve - 62 GPM, 3.14 Sq. Ft.

Our Price: $399.99
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61-75 of 224 products Sort by 

How to Select

How to shop for Pool filter

Pool filter is an essential device for keeping a pool clean of objects, crystal clear, healthy and at appropriate sanitizing level. It helps not only to remove foreign matter and particles from the pool water but does not allow dangerous bacteria and germs to come in the pool water. These useful devices keep the water from going septic and, therefore, stop swimmers from getting sick. They should be used for both in ground and above ground pools to keep them from algae formation and turning green. This is why it is important to purchase a high-quality filter that will last for long and will keep the pool in optimum condition in every kind of weather and at any season.

There are a variety of pool filters that are available on the market today. They differ by size and depend on the water pool capacity and filtration area. At the same time, all pool filters come in three types: sand filters, cartridge filters and diatomaceous earth (DE) filters.

Sand filters are the most popular and the oldest type out of all the three available filter kinds. They are inexpensive, easy to use and understand. This device cleans the pool water that is pulled into the filter from particles and bacteria through the sand. Filters of this kind are considered to be the least effective type as the water that has passed through the filter and flows back into the pool contains a lot of sand. In addition, the pool filter of this kind becomes full with dirt and grime after a time and it needs a pool pump to flush it out from the water.

Cartridge filters clean the pool water by means of the special filtering material. Filters of this kind are considered to be less expensive than their DE counterparts and they are relatively low-maintenance devices. These filters contain removable cartridges that are easy to clean and replace. Filtering materials can be of different quality. Inexpensive filtering material will need to be replaced frequently while high quality and expensive cartridges will operate for many years without needing replacement.

Diatomaceous earth, or DE filters are the most expensive and the highest quality pool filters. They use crushed fossil or natural substances to clean the pool water. These substances are usually thinner than sand and these filters produce the cleanest water possible. At the same time, these filters need frequent replacement that makes this filter type more expensive in maintenance and fiddly to use.

The best modern pool filter will ensure the cleanest pure pool water, eliminate possibility of diseases caused by pool bacteria and reduce power energy consumption. However, any type of the filters needs regular maintenance and keeping it clean and free from dirt, leaves and hair.