Fenlin speclized in manufacturing swimming pool sand filter in China, we have 100+ items here, dependable all-weather performance, simple maintenance and incredible water quality.
The pool water filters through the sand, which catches debris and small particulates, and sends clean water back into the pool. Sand filters are less expensive initially than their cartridge counterparts, are easy to maintain, and only require filter media changes every 5-7 years (depending on usage)
