Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 5L Back Catalog number: TDL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request OST-201-0246 Screw caps for screwthread tubes GL14, bore 8mm Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request