Inline Bilge Blower has a four-blade, axial-flow design which produces superior ventilation for engine compartments, galleys, bilges and heads for maximum airflow and efficiency. It has a sealed motor shaft for moisture protection. This inline bilge blower has a -proof design plus a water-resistant motor casing so that you can use it longer. The Inline Bilge Blower is made of caulked and tinned wires throughout with a nickel-plated motor which makes it and longer-lasting. It has a built-in mounting feet to easily install it either vertically or horizontally. With the Inline Bilge Blower, it's comforting to know that your boat will be running properly because of sufficient ventilation. Note: Please note that this unit has an intermittent duty cycle. Not for continuous duty use. USCG 183.410 Compliant: Ignition protected Up to 25% more efficient than conventional in-line blowers Type: Radial Fan Electric current type: DC Blade material: Plastic Mounting: Freestanding, flex-mount and flange-mount Power: 72-120W Voltage: 12V DC Air volume: 270CFM Speed: 7664LPM Volume: 270CFM Speed: 270CFM/460CMH Blade: four Material:plastic colour:white Package Contents: 1 x Marine Boat Bilge Air Blower Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.