Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended C-CRCK Canister Rack Connection Kit, for connecting 15 x 1/4" outlet canisters to U-RACK02 Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request