Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_5L 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 P-00010 VOC-Mole assembly, 230mm,pk10 Price on request 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request