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 C-TAD-01 Tube Adaptor, for connection of 1/4" tubes to 1/8" flexible tubing Price on request OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request OST-201-0246 Screw caps for screwthread tubes GL14, bore 8mm Price on request