Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L 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 NDV31_25L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Price on request P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request