Feature: 1. High Efficiency Drying: This drying system is divided into 3 drying stages, perfectly and efficiently drying air, resistant to high pressure, can work in a pressure environment of 30 to 175 psi. 2. Safe Design: Each stage is equipped with a metal bowl with visible sight glass, protecting the system throughout the process. 3. Initial Moisture Removal: With adjustment knob and 5 micron elements to remove 95% of initial moisture and debris from compressed air lines, adjustment knob to adjust pressure from 7 to 215 psi. 4. Steam and Oil Removal: Coalescing filter with 0.01 micron filter elements can remove 99.98% of moisture, steam and oil, when changed to the third filter, the red light will indicate. 5. Air Dry: The air dryer in the third stage is equipped with 5 oz desiccant beads in bowl, super clean and dry air, beads will change from blue to pink. Specification: Item Type: 3 Stage Air Drying System Material: Aluminum Alloy Maximum Temperature: 60°C (140°F). Package List: 1 x 3 Stage Air Drying System1 x Pressure Gauge1 x Manual Note: 1. Safety glasses must be worn during operation. Always work in a well ventilated area.2. Do not exceed any pressure rating of any component in the system.3. Protecting the air line from damage or puncture.4. Inspect the air hose for fragility or wear before each use. Make sure all connections are secure.5. Keep all nuts, boltings and screws tight to ensure the equipment is in safe working condition.