The best way to find the correct replacement vent cover for your cargo trailer is to measure the vent.
Cargo trailer roof vent installation.
Click for more info and reviews of this ventline rv vents and fans.
Thermostat controlled roof vent uses a variable speed reversible 12 volt fan to push stale air out of and pull fresh air into your rv camper or enclosed trailer.
Since heat rises i would at the very least put a set of the trailer vents hmav2 avt2 near the top of the trailer to get the hottest air of the trailer out.
Easy to use hand knob on vent housing allows you to lift and lower dome.
Camp n 14 universal rv trailer camper motorhome roof vent cover vent lid replacement white 1 pack 4 6 out of 5 stars 2 209 20 97 20.
Most standard vents are 14 1 4 by 14 1 4 inches wide 14 x 14 inches wide or 13 x 14 inches wide.
Camp n 14 universal rv trailer camper motorhome roof vent cover vent lid replacement white 1 pack 4 6 out of 5 stars 2 138 20 97 20.
Bob livingston and bill gehr replace a weathered rv roof vent cover.