Watts-GAC20NRW Watts Granular Activated Carbon Cartridge Standard 20" in Myron L (PH Buffer 4) pH 4 Calibration Buffer Solution Replace annually or when visibly

Replace annually or when visibly scaled or damaged

Built for Small Applications That Need Reliable Pressure Control

or combine with one other buffer for two-point calibration depending on your typical measurement range

🔬 TDS & Nitrate Removal

Clean membrane with appropriate chemical solutions when flow drops 10-15% or salt passage increases

Watts-GAC20NRW Watts Granular Activated Carbon Cartridge Standard 20" in Myron L (PH Buffer 4) pH 4 Calibration Buffer Solution Replace annually or when visiblyThe Watts GAC20NRW delivers 5,000 gallons of premium coconut shell granular activated carbon filtration in a standard 20 inch format. This NSF listed polypropylene cartridge effectively removes chlorine taste, odors, and chemical contaminants from your drinking water. SPECIFICATIONS Watts GAC20NRW Technical Details Model Number GAC20NRW Dimensions 2. 75" diameter 20" length Media Type Coconut shell granular activated carbon Capacity 5,000 gallons