Stainless Steel RV Furnace Vent Cover with Installation Tool for Improved Air Circulation Features： 1、STAINLESS STEEL CONSTRUCTION: Crafted from stainless steel, the RV furnace vent cover set ensures maximum strength and a long lasting, rustproof, making it a dependable addition to your RV. 2、KEEP ANIMAL OUT: Specifically designed for RV enthusiasts, this vent cover effectively keeps wasps, birds, and rodents out, protecting your RV from potential damage and unwanted intrusions. 3、IMPROVE AIR FLOW: The finely meshed design of this vent cover allows for proper ventilation, ensuring that freshness air can circulate freely inside your RV, providing a comfortable living environment. 4、VERSATILE COMPATIBILITY: The set includes 1pc 6.0 x 8.6 x 1.3 inches cover and 2pcs 2.83 x 1.26 inches screens, ideal for outdoor RV furnace, water heater, or battery vents, making it a versatile choice for various RV applications. 5、EFFORTLESS INSTALLATION: Equipped with an easy installation tool, this vent cover can be quickly and simply installed, allowing you to secure your RV without any hassle or special tools required. Specification： Item Type: RV Furnace Vent Cover Material: Stainless Steel Square Mesh Size: Approx. 15.24x21.84x3.30cm / 6.0x8.6x1.3in Round Mesh Size: Approx. 7.19x3.20cm / 2.83x1.26in Function and Application: This easy to install screen will help ensure that your furnace or water heater vent remains safe from harmful fly; it comes with two springs and a tool to connect the springs to any vent, with installation taking no more than one to two minutes Fitment: Suitable for outdoor RV furnace, water heaters or battery vents, so you can replace the vent cover with this equivalent part Package List： 1 x Square Vent Cover 2 x Round Vent Cover 4 x Spring 1 x Tool