Worry free air filtration for top quality paint jobs First stage filter removes oil, water, and dirt down to 5 microns Second stage coalesce removes oil vapors and dirt particles down to . 01 microns CT30 desiccant tank repeats dirt and oil aerosol removal and eliminates humidity Easy and economical maintenance Longer desiccant life Air inlet valve shuts off CT Plus air without having to shut off shop air No tools needed to change first and second stage filters Easy change-out desiccant cartridge bag Ergonomic, self-relieving regulator 30 CFM capacity