Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: TDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended RMK-0006HT Routine maintenance kit for M-CTE250I Price on request NDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request