The S Series Inline tube fan, durable powder coated steel housing, reverse curve impeller. Can-Fan® bring its innovation to market and sets a new standard for performance. The outstanding performance of our fans set them apart from the competition. The RS family of inline exhaust fans provide the power and flexibility needed for residential and commercial applications. The S inline is available in sizes 4" through 12" in both standard and high output. The S series all utilize the extremely reliable external rotor motor and reverse curvblade. Each fan comes pre-wired with an 8’ - 120 volt power cord. 5 year warranty. Approx. Specs RPM: 2750 Matt Watts: 82 Amps: 0.69 @ 115 VAC 60 Hz Diameter: 12.3in Width: 10.74in Weight: 11 lbs Blade Design: Centrifugal Housing: Durable powder coated steel Inlet/Outlet: 6in Speed Controllable: Yes