14inch RV Roof Vent Fan Leakproof with Lid for RV Motorhome Camper Van. Universal? :14″ RV Roof Vent Fan compatible for 1-1/4″ to 2-1/4 thick roofs? Features? : RV Roof Fan Vent with lid is seamless piece frame that is leakproof and weatherproof? Keep Fresh Air Circulating? : The RV Roof Vent with fan allows […]