Features:<br> <br> 1.Strong wind, low noise, effective and quiet ventilation, quickly remove moisture and odors. Dust?proof filter, two?way large?displacement ventilation.<br> 2.Built?in copper motor with thermal protection, it can work continuously without maintenance.<br> 3.Space?saving top mounting type, easy to install, no complicated tools required.<br> 4.Frame and blade are made of ABS material, painted white finish, waterproof, dustproof and energy?saving.<br> 5.It can be used in kitchen and bathroom, suitable for marine ships, yachts, RVs, trailers, motorhome, etc.<br> Specification:<br> Item Type: RV Fan <br> Material: ABS <br> Rated Voltage: 12V <br> Hole Diameter: Approx. 118mm/4.6in <br> Speed: 3000 rpm/min <br> Air Volume: 80CFM <br> Installation Thickness: Approx. 80-160mm/3.1-6.3in (adjustable) <br> Installation Method: open hole, connect at both ends to install <br> Usage: Install and fix and start working <br> <br> Wiring: <br> Positive pole of the fan connected to the middle tripod of the switch. <br> Negative pole of the fan connected to the negative pole of the power supply. <br> The positive pole of the power supply is connected to the tripod at both ends of the switch.<br> PackageList:<br> 1 x Fan<br> 1 x Air Outlet<br> 5 x Screws<br> 1 x Manual