Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended TDL31_5L Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Price on request C-VAC-FULL-ARR-KI Vacuum SPME Arrow Full Starter Kit Price on request M-MCTOP250I Removable lids for M-CTE250I, inert,pk 4 Price on request