Monro MD-EAD Electronic Timed Auto Drain is designed remove condensate from compressors, compressed air dryers and receivers up to any size. Go to our web site to see our other compressor parts. http://airbosscompressors.blogspot.com We have in stock, rebuild kits and parts for Air Boss and Techquip air compressors. Air line filters, regulators , in-tank check valves, safety valves , auto moisture drains , electronic time auto drains