Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended C-POD-1XX POD Cartridge, Carbopack X, pk 10 Price on request 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request