Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L 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 M-MCAL20 Disposable dish, alum, 20mL,pk100 Price on request SERLFP-5002 Spare charger, ACTI-VOC Price on request