Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Back Catalog number: TDL71_0.5L Availability: In the manufacturer's stock Price on request - + Recommended C-TAGKT TubeTAG starter kit (for SS tubes) Price on request U-COV35 O-Ring, low-emission, size 035,pk10 Price on request U-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request