Mikropor MDA Heatless Desiccant Air Dryers provide a constant -40°C (-70°C Optional) pressure dew point. These dryers are designed to supply clean and very dry compressed air for critical applications. Pre-filters and after-filters are standard on all Mikropor Heatless Air Dryers to keep the air stream clean and maintain the integrity of the desiccant medium. A very reliable electronic controller is utilized so the dryer operates perfectly throughout its service life. MDA Heatless Desiccant Dryers are equipped with special valves and high-quality desiccants to ensure performance and provide the lowest pressure drops available in the market.