Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T11GPC-2S Unity 2/TD-100 Cold Trap carbon C4/5-C30/32 Price on request C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request P-CPP10 Blanking plugs, for VOC-Mole cap assembly,pk10 Price on request