John Guest ASVPP5LF Angle Stop Adapter Valve, 1/2" x 3/8" x 1/4" OD
Adapter valve with conversion thread works on existing 3/8 compression or 1/2nps angle stop valve allowing access to water supply for reverse-osmosis systems, ice maker, automatic coffee equipment, etc. With capability to shut off water supply to dedicated line for easy filter replacements.