Camper Roof Vent Covers, Aeroflo, allow a breath of fresh air even if it is raining, parked or driving.
Eliminates smoke, odors, heat build-up, mildew and mustiness even while in storage. Lets in fresh air, but not rain. Fits most standard roof vent openings 14" x 14" and installs easily. High impact plastic with UV inhibitors lets light into the interior of the coach.