Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: HEDTDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request T-3GBGE CW agents cold trap, TT24-7 Price on request 1970-0011-R O-RING -011 .301 ID X .070 W Each Price on request