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 P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request 1970-0011-R O-RING -011 .301 ID X .070 W Each Price on request