‹› Image HAV-Series Air Relief Check Valve Markets Food & Beverage / Pharmaceutical Product Options Hide lower priority columns Part Number All HAV3EA150HAVNEA150HAV3EA200HAVNEA200Size All 1-1/2"2"Seal All EPDMMaterial All 304 Stainless Steel HAV3EA150 1-1/2" EPDM 304 Stainless Steel HAVNEA150 1-1/2" EPDM 304 Stainless Steel HAV3EA200 2" EPDM 304 Stainless Steel HAVNEA200 2" EPDM 304 Stainless Steel