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 T-3GBGE CW agents cold trap, TT24-7 Price on request U-RACK02 Maxi Rack (1 L to 6L canisters) Price on request C-TO17KIT TO-17 Starter Kit Price on request