6 – Compressed Air Dryer. Reduces Dew Point and Reduces Water Vapour Fitted with Zero Loss Automatic Drain*. 7 – Dust Filtration. Removes any Desiccant Dist Carryover. 8 – Optional Activated Carbon Filter. Removes Oil Vapour and Odours. 9 – Point-of-Use Filtration. Installed to Protect Air Tools and Processes. * IATT can also provide