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-RACK02 Maxi Rack (1 L to 6L canisters) Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request