21inch Above Ground Swimming Pool Sand Filter ( 2 cartoons/set )

21'' Above Ground Swimming Pool Sand Filter

This sand filter is designed for sparkling clear pool water,which allows the greatest filteration possible from every square inch of sand.Then the self-cleaning underdrain assembly, with its 360° slotted laterals, provides a fast, balanced flow of clear water back to the pool while allowing for more through backwashing.

Features

The filter is an important part of the plant installation of a swimming pool as it physically cleans the water.

Execellent water quality can be obtained by circulating the water through the filter so that suspended solids retained in the media bed, and treating the water chemically once it has passed through the filter.

Filtration and water treatment depend on other equipment also such as pumps,chemicals, pool flow fittings ensuring the correct return and discharge of pool water as well as other factors which ensure good circulation and maintenance of water quality.

Normally,each country has standards regulating private and public swimming pools which must be taken into account when installers are designing or installing a system.

Standard:The filters have followed the ISO 9000 process to ensure good quality control and have also surpassed NSF standard 50 trials.

FUNCTIONS: