Watts-OFPSP TAC Cartridge for OneFlow Plus System 20 inch x 4.5 inch Big Blue Filters2776 your utility likely uses chloramines—this

your utility likely uses chloramines—this catalytic carbon block is the solution

Supports multiple UV20

Integrated relief holes prevent pressure buildup and allow safe system depressurization

and residual impurities Replacement Interval Every 6–12 months depending on water conditions

Watts-OFPSP TAC Cartridge for OneFlow Plus System 20 inch x 4.5 inch Big Blue Filters2776 your utility likely uses chloramines—thisWatts Water Technologies Watts OFPSP TAC Cartridge for OneFlow Plus System Template Assisted Crystallization replacement cartridge engineered for salt free scale prevention in whole home water systems Salt Free Scale Prevention TAC Technology OEM Replacement Watts Quality The Watts OFPSP TAC cartridge is the factory replacement for OneFlow Plus (OFPSYS) whole home scale prevention systems. Using Template Assisted Crystallization (TAC) media, this