DEVEX gas sampling bag, stopcock straight valve, 5L Back Catalog number: DEV31_5L Availability: In the manufacturer's stock Price on request - + Recommended MBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request DEV71_10L Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Price on request 1235 BALLOONS FOR GAS SAMPLING, 8Liters Price on request