New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Back Catalog number: NDV31_25L Availability: In the manufacturer's stock Price on request - + Recommended U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request RMK-0026 Routine Maintenance Kit: Kori-xr Price on request TDL71_5L Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Price on request