Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request 1970-0234 O-RING-234 For High Flow Damper Plate Price on request POL32_2L Polyester gas sampling bag with PTFE dual-valve, 2L Price on request