Features STAINLESS STEEL The RV fly screen is made of heavy duty stainless steel, which is strong and durable and stays intact and corrosion free on your vents. GET A MAXIMUM AIR FLOW: insect screens for RVs are very breathable, with metal mesh covers that are large enough to ventilate the air flow, but small enough to keep insects out. KEEP BECTS AWAY Using insect screens is a safe way to protect the oven and your home from flying insects. Protect children and pets from exposure to air vents. EASY INSTALLATION The fly screen set for the fly screen for motorhome comes with spring lock and installation tool, easy to install and saves time. Suitable for ventilation of RV refrigerators. BEAUTIFUL: The fly screen vent cover of the motorhome protects the RV from damage from outside and prevents damage to the vent opening of the motorhome. And it is easy to clean and looks beautiful. Specification: Item Type:RV Vent Mesh Cover Material: stainless steel. Diameter of the mesh cover: 2.8 inches. Package list: 2 x ventilation cover for water heaters. 1 x installation tool. 2 x spring clasp Package List 2 x Water Heater Vent Cover 1 x Installation Tool 2 x Spring Fastener