John Guest - Metal Angle Stop Adapter Valve Threaded NPT ("National Pipe Thread"):1/2" NPT with 3/8" NPT Adapter Monitor output TDS or resistivity

Monitor output TDS or resistivity and replace when breakthrough occurs or annually

5" Big Blue radial flow carbon filter that uses granular activated carbon (GAC) to remove chlorine

000-gallon service life

Polyphosphate treatment does not remove hardness minerals or reduce TDS

John Guest - Metal Angle Stop Adapter Valve Threaded NPT ("National Pipe Thread"):1/2" NPT with 3/8" NPT Adapter Monitor output TDS or resistivityThe John Guest ASVPP Metal Angle Stop Adapter Valve delivers push fit convenience for quick connections to your main water supply line without tools or threading. This professional grade valve combines a 1 4 turn chrome plated ball valve with an integrated check valve, designed specifically for reverse osmosis systems, filtration setups, ice makers, and automatic coffee brewers. SPECIFICATIONS Technical Details Manufacturer John Guest Model Series