FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request C-CRCK Canister Rack Connection Kit, for connecting 15 x 1/4" outlet canisters to U-RACK02 Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request