20" Big Flow Twin Series DIY Filter Housing Kit FPT Choose::1" NSF Certification is a third-party

NSF Certification is a third-party certification that assures this product complies with strict standards for quality and safety

Specifications: Made in the USA

Inlet/Outlet connections: 1" NPT

The Aqua-Pure AP917HD-S Filter is a high-flow sanitary quick-change filter that is designed for the AP904 system

NOTE:  Also a replacement for GS-6PH-B # 255601-43

20" Big Flow Twin Series DIY Filter Housing Kit FPT Choose::1" NSF Certification is a third-partyThe Twin Series DIY Filter Housing Kit consists of two 20" Big Blue Housings which are plumbed in series with a wall mounting bracket and hardware. The system consists of a series of large capacity #20 Big Blue housings, allowing for greater cartridge capacities and higher flow rates. Each system is also equipped with a pressure relief button to relieve housing pressure during cartridge changes. All filter housings are manufactured of a durable