Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T13DHS-2S DHS application cold trap, UNITY 2/xr andTD-100/xr Price on request 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request