Compressed air contains concentrated oil, water vapor, dirt and other contaminants that can damage airlines and pneumatic components on the blast machine. Prior to using the compressed air to operate the blast cabinet, it must be dried, filtered and regulated to the desired operating pressure. Properly prepared compressed air prolongs equipment life, increases efficiency and reduces blast equipment maintenance costs. This is a typically recommended set-up for a blast operation. Some components may not be required (always consult with compressed air experts for your specific application):