Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended C-EZVOCAK Easy-VOC accessory pack Price on request U-T10CW-2S Chemical Warfare agents cold trap Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request