"sharkbite" Reducing Adapter 3/8"x1/2" 3/8&quot; X 1/2&quot; female reducing adapter For use on OD controlled copper CPVC or PEX Body composed of solid DZR brass Certified to 200 PSI and 200 degrees F (93 degrees C) Design certified to IGC 188 and ANSI/NSF-61 standards