265 Cubic Feet per Minute. The Dayton 265 CFM has a 4" round intake and 4" square exhaust. These blowers are made from powder coated heavy duty steel housing to withstand the moist environments where it often operates. It comes with attached power cord with strain relief. Industrial quality blowers. Powder coated steel enclosure. Made in the USA. Power supply cord included. Weight: 9.1 lbs. Package Dimensions: 11.5L x 10.8W x 10.2H Approx. CFM @ 0.0 SP: 273 Voltage: 120 Diameter: 4" Warranty: 1 Year