New DEVEX gas sampling bags with PTFE dual-valve, 5L Back Catalog number: NDV32_5L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request M-SPGSC-120 Adjustable sprung spacer, for M-CTE120I,pk 6 Price on request U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request