-UL 1450 listed -Oil Less Piston Compressor -UL Listed Pressure Switch -Bubble Tight Air Check Valve -Permanently Lubricated Bearings -Integrated Air Intake Filters -Fully Automatic, direct drive -Max Pressure: 60 PSI -30" Stainless Steel Flex Hose -Riser Mounting Kit Included -Specifically designed to fills sprinkler system to 40 PSI in 30 Minutes