Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDPOL32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-T10CW-2S Chemical Warfare agents cold trap Price on request U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request C-TAD-01 Tube Adaptor, for connection of 1/4" tubes to 1/8" flexible tubing Price on request