OUTPRIZE RV Roof Vent Fan, 12V DC 14" Super Quiet Reliable Manual RV Roof Fan, 3-Speed, Reversible

14x14"" STANDARD SIZE: OUTPRIZE RV vent fan tight fits 14"" RV's roof opening, also fits a MAX 14-1/2"" opening not so tight. It will fit 1.9-7"" thick rv roof, but you may need to trim down the garnish when your RV roof is about 1.9-6.1"" thick. MANUAL CONTROL: Compared with remote control ones, the manual control rv roof fan is more flexible, reliable, and cost-effective if you can easily reach your ceiling. 3-SPEED OPTIONS: This reversible RV roof vent fan includes 2 extra 5A slow fuses. It offers adjustable speeds with 700-1300 CFM in air-in mode (LOW and HIGH), and 700-1300 CFM in air-out mode (Low, Medium, and High). You can operate it according to your needs with ease. QUIET AND ENERGY SAVING: The 12V RV fan operates with exceptional quietness and energy efficiency, producing a maximum noise level of only 35dB and consuming a mere 18 watts of power when running in the high-power mode. Enjoy the peaceful and undisturbed environment within your RV. Customer Service: 2 Year Warranty, OUTPRIZE prioritizes product quality and stands by our commitment to customer satisfaction. If you encounter any issues, we're here to help