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.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.