These oil-free high-pressure compressors can push air over 40 feet deep.  The only routine maintenance is a simple 6-month air filter cleaning.  These compressors are quiet compared to other high pressure compressors and are among the most durable on the market!  This compressor produces 4.3 cfm open flow and 3.5 cfm at 20 psi (about 40 feet deep).  Price includes air filter, power cord and plug.  115 volt motor draws 5.3 amps.  1-year warranty.