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Foxboro: (508) 543-7112
Natick: (508) 655-5111

Filters and Pumps

There are three popular types of pool water filters – Sand, Cartridge, and Diatomaceous Earth (D.E).

Sand Filters

In this method, impurities are extracted from the water using sand to attract and collect debris. Sand filters must be back-washed (running it in reverse) to clean out the collected waste. Sand filters are economical, relatively low-maintenance, and easy to use. Of the 3 types of filters, sand filters will take the longest to clean a dirty pool.

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Cartridge Filters

The cleaning element in this type of filter is made of a thick, dense, fabric-like material, which has a larger surface area than sand filters and captures smaller particles. Cartridge filters hold more dirt and debris before cleaning and can capture smaller particles faster.

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Diatomaceous earth (DE) Filters

Diatomaceous earth is a naturally occurring powder made up of the remains of microscopic organisms called diatoms. Particles of DE are as tiny as 1 micron. This method of filtration captures the smallest particles, trapping debris as small as 1-5 microns. Once the pressure rises, the filter is back-washed just like a sand filter and then "recharged" with more DE powder.

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Seasonal Specialty Stores offers pumps and filters from top manufacturers  Hayward and  Pentair.


Foxboro, Route 1 South

Seasonal Specialty Stores
113 Washington Street
Foxboro, MA 02035

(508) 543-7112

Store Hours and Directions

Foxboro Store

Natick, Route 9 East

Seasonal Specialty Stores
1278 Worcester Street
Natick, MA 01760

(508) 655-5111

Store Hours and Directions

Natick Store