Collection: Pentair FNS Plus 48 D.E. Filter

Pentair Pro Grade FNS Plus 48 D.E. Filter – Parts & Accessories

Professional-grade, high-capacity diatomaceous earth filter system from Pentair’s Pro Grade line. The FNS Plus 48 offers superior water clarity and long-lasting reliability for residential and commercial pools. Browse genuine OEM replacement parts below to maintain peak performance and extend the life of your system.