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 TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request