Feature:1. The noise is just the amount of air moving through the blower, very little compared to the amazing output and low amp draw.2. Equipped with very low current draw, high volume air , and motor, bring you more convenience.3. The air blower allow the engine compartment, kitchen and bilge to be ventilated, can also be used as a defroster fan.4. Can cool down the amplifier installed on the boat, can cool a amp rack and bathroom ventilation, etc.5. Provide ventilation for engine compartments, galleys, bilges, heads racecars, buses, tanning booths, blow up signs.How to Use:Install in a ventilated place and fix it, then connect the wire.Red wiring positive, black wiring negative.Specification:Item Type: Air BlowerMaterial: ABS Shell + Pure Copper MotorColor: WhiteBlade Diameter: Approx. 250mm/9.84inTuyere Diameter: Approx. 102mm/4.02inMotor Stages: 6-stage motor speed 960 (r/min)Number of Blades: 4Ventilation Capacity: 320 cubic feet/minute or 550 cubic meters/hourApplication: various scenes such as RV, yacht, motorhome, fishing boat, room, bedroom, etc.Features:1. Enhanced thermosetting plastic shell2. Can be installed on any flat surface3. Plug-in inlet duct link4. High-efficiency and high-capacity air 5. Low current consumption6. The casing and motor are made of -resistant materials, and the service life can about 5 years.7. The fan complies with ISO 8846, 10133, 9097, EN 55014, 61000 and electrical standards. Package List:1 xAir Blower1 x Manual