Doosan Portable Power 1" Safety Check Valve, 35363803 is designed for maxium performance and service within the correct CFM rating. 35363803 is rated for 150-185 CFM.
WARNING: This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov