FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request NDV32_2L New DEVEX gas sampling bags with PTFE dual-valve, 2L Price on request C-TAD-01 Tube Adaptor, for connection of 1/4" tubes to 1/8" flexible tubing Price on request