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 U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request OST-201-0246 Screw caps for screwthread tubes GL14, bore 8mm Price on request