Item Type: RV Vent Mesh Cover Material: Stainless steel Mesh Cover Diameter: 2.8 inches Package List 2 x Water Heater Vent Cover 1 x Installation Tool 2 x Spring Fastener 1BEAUTIFUL: RV fly bug vent cover is protecting the RV from outside damage and prevents damage to the RV vent. And it's easy to clean and looks beautiful. 2KEEP INSECTS OUT: Using insect screens is a sure way for protecting the furnace and your home from flying insects. Protecting children and pets from vent exposure. 3GET MAXIMUM AIRFLOW: Insect screens for RVs are very breathable, with metal mesh covers that have large enough gaps for the ventilation process of airflow, but small enough to keep bugs out. 4EASY INSTALLATION: RV flying bug screen mesh kit is supplied with spring fastener and installation tool, easy to install and save your time. Suitable for RV refrigerator ventilation. 5STAINLESS STEEL: The RV flying insect screen is made of heavy duty stainless steel, which is strong and durable and stays intact and corrosion free on your vents.