Image EZ Boss-Lock Cam & Groove Type C Coupler x Hose Shank with Collar Markets Agriculture & Forestry, Chemical Processing, Construction, Energy / Oil & Gas, Mining, Steel Processing, Transportation Product Options Part Number Size Seal Material RC150CEZ 1-1/2" (40 mm) Nitrile Rubber 316 Stainless Steel RC200CEZ 2" (50 mm) Nitrile Rubber 316 Stainless Steel