"CALIFORNIA AIR TOOLS RD-91503 High-Efficiency Non-Recycling Refrigerated Air Dryer 52 CFM 29 - 145 PSI Pressure Dew Point: 2-10C 220v 60hz 1-Phase The California Air Tools RD-91503 refrigerated air dryer (220v 60hz) typically removes around 98% of moisture from compressed air, achieving a Pressure Dew Point (PDP) between 2 - 10℃ (35.6 to 50 Fahrenheit), making it suitable for most general industrial applications where a high level of dryness is needed but not an extremely low dew point.* "