New DEVEX gas sampling bags with PTFE dual-valve, 2L Back Catalog number: HEDNDV32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request P-00040 VOC-Mole assembly, 830mm,pk10 Price on request