Furnace Bug Screen.
Fits most Coleman and Fleetwood furnace vents. Wasps, mud daubers, stink bugs and rodents pose a serious threat to your RV. They can enter through vents and openings and cause serious damage by building nests that interfere with air flow.
Protect your pop up with insect screens. These easy-to-install screens will help ensure that your vents stay free from costly invasion by unwanted pests.
Part number 4642140