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 U-COV450 O-Rings, low-emission,pk100 Price on request U-COV108-H O-ring, Injector Liner, Black, High Temp, pk/1 Price on request M-MCHSI Sample pans for M-CTE120I, inert,pk 6 Price on request