Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended NDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request P-00030 VOC-Mole assembly, 830mm,pk10 Price on request T-4ATX Air toxics cold trap, TT24-7 Price on request