Camco 42151 Flying Insect Screen-Wh400, Sub 6 Gal Flushmount, Blister

Wasps, mud dauber nests, birds and rodents pose a serious threat to your RV water heater, furnace and stove. They can enter through vents and openings and cause serious damage by building nests that interfere with air flow. These easy-to-install screens will help ensure that your vents stay free from costly invasion by unwanted pests.