Pentair FNS Plus D.E. Filter EC-180009 pentair-intelliflo-pump-parts 000 BTU Heater 009227

000 BTU Heater 009227

System 3 Modular Filter 25021-0224S

9" Flu Diameter

Minerals destroy bacteria

Pentair FNS Plus D.E. Filter EC-180009 pentair-intelliflo-pump-parts 000 BTU Heater 009227Pentair FNS Plus D. E. Filter EC 180009 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 can't be seen individually, collectively they greatly affect water clarity. Here's why diatomaceous earth filters work so well. Water passes through a series of D. E.