Pool Filters

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Jandy CS150

Jandy CS150

Jandy 150 Sq. Ft. CS Cartridge Filter

Our Price: $441.99
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Unicel UHD-SR50

Unicel UHD-SR50

Unicel Series 8000 Filter Cartridge for Pools, 50 Sq. Ft.

Our Price: $37.09
as low as: $34.49

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Pentair 178656

Pentair 178656

Pentair Quad 100 D.E. Replacement Filter Cartridge, 25 Sq. Ft.

Our Price: $92.14
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Hayward EC10SC50

Hayward EC10SC50

Hayward Pre-Measure D.E. Scooper

Our Price: $5.99
as low as: $5.57

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Unicel C-9415

Unicel C-9415

Unicel Series 9000 Filter Cartridge for Pools, 150 Sq. Ft.

Our Price: $80.12
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Unicel C-4607

Unicel C-4607

Unicel Series 4000 Filter Cartridge for Spas/Pools, 5 Sq. Ft., 4-1/4" OD

Our Price: $5.80
as low as: $5.39

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Sta-Rite 25230-0075S

Sta-Rite 25230-0075S

Sta-Rite Replacement Filter Cartridge (PXC75), 75K Gal

Our Price: $72.74
as low as: $67.65

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Hayward CX800RE

Hayward CX800RE

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

Our Price: $64.98
as low as: $60.43

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Pentair 178554

Pentair 178554

Pentair Pool Filter, Bottom 75 Sq. Ft. - Almond

Our Price: $158.99
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Unicel C-7467

Unicel C-7467

Unicel Series 7000 Filter Cartridge for Pools, 67.5 Sq. Ft.

Our Price: $49.70
as low as: $46.22

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Unicel C-8610

Unicel C-8610

Unicel Series 8000 Filter Cartridge for Pools, 100 Sq. Ft.

Our Price: $61.50
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Hayward VL40T32

Hayward VL40T32

Hayward Pool Filter, 13" VL Series Top Mount Sand System - 115V

Our Price: $220.99
as low as: $205.52

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Hayward SP0710X62

Hayward SP0710X62

Hayward Replacement Pool Part, 1.5" Control Valve for Hayward Vari-Flo Filters

Our Price: $105.99
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Unicel C-9407

Unicel C-9407

Unicel Series 9000 Filter Cartridge for Pools, 75 Sq. Ft.

Our Price: $49.37
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Nature2 W26765

Nature2 W26765

Nature2 Above Ground A Vessel Replacement Cartridge, 5-30K Gal

Our Price: $96.99
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136-150 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.