Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_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 M-MCTL250 Sample Pan Removal Tool, for high temp Micro-chamber Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request