Expello Air Products

Expello Air Products, located in Minneapolis MN since 2002, manufactures the Expello Automatic Drain Valve. The company strives to produce the best automatic drain valve available to the Bus, OTR, Vocational and Off-Road vehicle markets. Expello drain valves work to remove the moisture, oil and other contaminants that get past the air dryer, providing cleaner, drier air to the air brake system. With more and more vehicle components requiring clean, dry air to operate properly the Expello Automatic Drain Valve is here to help keep vehicles operating safely and efficiently while eliminating air system corrosion and freeze up.