Watts-GAC20NRW Watts Granular Activated Carbon Cartridge Standard 20" in Myron L (PH Buffer 4) pH 4 Calibration Buffer Solution and commercial water filtration where

and commercial water filtration where particulate removal is needed

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

This filter is designed exclusively for the Watts Premier RO PURE (RO-4) reverse osmosis system and the Filter-Pure (UF3) filtration system

If you have well water or high sediment levels

Watts-GAC20NRW Watts Granular Activated Carbon Cartridge Standard 20" in Myron L (PH Buffer 4) pH 4 Calibration Buffer Solution and commercial water filtration whereThe 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