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 U-T10CW-2S Chemical Warfare agents cold trap Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request