Fits Suburban 6,10, and 12 gallon water heaters and furnace vents. 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. Protect your valuable investment by purchasing and installing Camco's flying insect screens. These easy-to-install screens will help ensure that your vents stay free from costly invasion by unwanted pests. screen dimensions: 4 1/2"x4 1/2"x1 5/16". Fits Suburban vents: 8535 8531 8525 8940DC 8940AC.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov