Today we're taking a look at a Ventline exterior wall vent for RV range hoods. Now, the exterior wall vent keeps water out of the range hood exhaust outlet on your RV or enclosed trailer. It has the louvre design which directs rainwater away from the vent opening, and this is a damperless design for a range hood that has an internal damper. It's made from a durable plastic construction. It's polar… see more >