Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended HEDTDL31_2L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Price on request C-POD-S010 POD Sampler, pk 10 Price on request OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request