Devex bag with PC valve, 0,5L Back Catalog number: HEDDEV21_0.5L Availability: In the manufacturer's stock Price on request - + Recommended TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request U-COV1516 Spare O-ring, black, for POD sampler (support body), pk 10 Price on request HEDFLD32_2L Fluode gas sampling bag with PTFE dual-valve, 2L Price on request