Another good source is
http://www.candhsales.com They have a 1.5 cfm open flow compressor .39 cfm at 4psig that only draws 45 watts. The stock number is PC2050 and the cost is 39.95. I have done business with them for over 20 years and they are a great surplus electronics place. They also have many other Gast and other brand compressor motors of varying output for very reasonable prices.
