The Prep 40 is an integrated air treatment package that delivers clean, dry, and cool compressed air in a compact, forklift skid-mounted design. It includes an aftercooler, moisture separator, pre- and after-filters, and an HL series heatless dryer, all housed within a heavy-duty structural steel frame. The skid-style setup ensures mobility and quick setup, making it an ideal solution for on-the-go air treatment needs.