Feature: 1. APPLICABLE SCENARIO: Roof vents with reversible 12V fans expel dirty air and draw clean air into your RV or enclosed trailer. Keep a comfortable environment with flying insects net 2. SEAMLESS AND LEAKPROOF: The RV roof vent fan features a seamless one piece frame that is leakproof and weatherproof. Equipped with UV resistant black lid 3. APPLICABLE MODEL: The RV roof vent fan replacement replaces for Ventline, for Jensen and for Elixir vents or is compatible with 1-1/4in to 2-1/4in thick roofs for standard 14in x 14in openings 4. EASY TO INSTALL: The RV roof vent fan kit has a 2 wire design, easy to install, and comes with white interior trim(or trim) and screws for installation 5. AIR CIRCULATION: Reversible RV roof vent fan is suitable for RVS, campervans, travel trailers, caravans, and motorhomes: Some recreational vehicles may not have roof vents installed, and it is important to use them all day, especially during the summer or rainy months, to keep rain out and allow clean air to circulate in your RV Specification: Item Type: RV Roof Vent Fan Model: VK100M-BK Material: UV resistant polyethylene Motor Voltage: 12V Size: Approx. 35.6cm / 14in Blades: Approx. 15.2cm / 6in. Package List: 1 x Roof Vent with Motor 1 x Handle 1 x Screw 1 x Double Sided Tape