Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended C-CL100 Penclips, pk100 Price on request TDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request U-COV1516 Spare O-ring, black, for POD sampler (support body), pk 10 Price on request