Image TrueSeal™ Check Valve Jump to Section Product Options Related Products Product Options Part Number Tube OD Seal Material A4VC4-MG 1/4" EPDM Acetal A6VC6-MG 3/8" EPDM Acetal Related Products Image LIQUIfit™ Bulkhead Union Image LIQUIfit™ Male Connector Image LIQUIfit™ Swivel Elbow Image LIQUIfit™ Union Connector Image LIQUIfit™ Union Tee Image TrueSeal™ Ball Valve Tube to Female NPTF Image TrueSeal™ Ball Valve Tube to Tube Union