Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended P-00020 VOC-Mole assembly, 380mm,pk10 Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request U-T3ATX-2S Air Toxics, C2 - C14 (TO-14), cold trap Price on request