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 T-6EMP Empty cold trap, TT24-7 Price on request HEDPOL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request