Pentair FNS Plus D.E. Filter 180006 pool-skimmers-and-weirs 3 Horsepower Impeller for the

3 Horsepower Impeller for the following Pentair Pumps:

Raypak Digital 399

Designed for easy automation

Challenger High Flow

Pentair Clean and Clear Cartridge Filter Features:

Pentair FNS Plus D.E. Filter 180006 pool-skimmers-and-weirs 3 Horsepower Impeller for thePentair FNS Plus D. E. Filter 180006 Filtering with diatomaceous earth (D. E.) gives you water that really sparkles. Thats because D. E. filters remove the tiniest of contaminants particles as small as 5 microns (an average grain of sand is 1,000 microns!). Even though these particles cant be seen individually, collectively they greatly affect water clarity. Heres why diatomaceous earth filters work so well. Water passes through a series of D. E.