Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: MBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended U-T10CW-2S Chemical Warfare agents cold trap Price on request U-TO15-KXR Focusing trap, Trace TO-15, for UNITY-xr with Kori-xr Price on request U-T11GPC-2S Unity 2/TD-100 Cold Trap carbon C4/5-C30/32 Price on request