Wasps and mud daubers pose a serious threat to the water heater on your RV. They can enter through the water heater vents and cause serious damage by building nests that interfere with air flow. The Camco Flying Insect RV Water Heater Screen fits Suburban flush-mount 6-gallon water heater vents. This easy-to-install screen will help ensure that your vent stays free from costly invasion by unwanted pests.• Screen measures 6-3/4" x 6-3/4" x 1-5/16"• Protects the water heater from flying insect nests• Fits Suburban flush-mount 6-gallon water heater doors• Easy to install with included installation tool• Heavy-duty stainless steel mesh cover Easy to install Heavy-duty stainless steel mesh 6-3/4"" x 6-3/4"" x 1-5/16""