Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_10L 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 C-EZVOCAK Easy-VOC accessory pack Price on request 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request