The EMAX Refrigerated Air Dryer is the only energy-efficient dryer system with an aluminum refrigerated air inner cooler. The air is filtered of all solid particles 0.01 micron and larger. Clean, dry compressed air leaving the dryer minimizes maintenance and repair and also reduces internal dryer contamination. Air dryer is designed with a non-corrosive inner and after cooler and features a stainless steel heat exchanger, for maximum dryer life and less maintenance. UL-CSA approved for high efficiency and durability. Features adjustable hot bypass for complete dryer function in low and high CFM flow, preventing dryer freeze-up