Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_10L Availability: In the manufacturer's stock Price on request - + Recommended TDL32_5L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request U-ULKIT TD automation/ULTRA-xr starter kit Price on request