‹› Image Vent-Lock® Safety Cam & Groove Type C Coupler x Hose Shank Markets Safe Hazardous Material Transfer, Refining, Hydraulic Fracturing: Low Pressure Systems Product Options Hide lower priority columns Part Number All L100-C-SSL150-C-SSL200-C-SSSize All 1"1-1/2"2"Seal All Nitrile RubberMaterial All 316 Stainless Steel L100-C-SS 1" Nitrile Rubber 316 Stainless Steel L150-C-SS 1-1/2" Nitrile Rubber 316 Stainless Steel L200-C-SS 2" Nitrile Rubber 316 Stainless Steel