New Devex Sampling Bag with ABS Valve & Septum Fitting, 25L Back Catalog number: HEDNDV61_25L Availability: In the manufacturer's stock Price on request - + Recommended U-T20PAM-2S Focusing trap, Photochemical Assessment Monitoring Stations (PAMS), for UNITY-xr, TD100-xr, Centri Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request U-T5O3F-2S Ozone precursors/Freon cold trap Price on request