Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: HEDTDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T6SUL-2S Sulphur/labile cold trap, Price on request C-POD-1XX POD Cartridge, Carbopack X, pk 10 Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request