Features： 1、Enhanced Protection: Keeps dirt, dust, and critters out of your RV, the water heater vent cover offers enhanced protection from potential damage. Great for any outdoor RV trips. 2、Stainless Steel Material: The furnace vent cover is made of high strength stainless steel material, offering excellent durability, erosion resistant to withstand harsh weather conditions, ideal for outdoor use. 3、Enhanced Ventilation: The water heater screen features small and dense mesh that enhance airflow, allowing you to breathe refreshing air inside the cabin, can excellent accessory for long road trips in your RV. 4、Versatile Use: The furnace screen vent cover is suitable for outdoor RV furnaces, water heaters or battery vents, can be a excellent solution for any RV owner to maintain airflow. 5、Easy Installation: The furnace screen features simple and convenient installation without hassle, no complex tool or special steps required, saving your time and effort. Specification： Item Type: RV Furnace Vent Cover Material: Stainless steel Large Square Size: Approx. 15.24 x 21.84 x 3.3cm / 6.0 x 8.6 x 1.3in Small Square Size: Approx. 11.43 x 11.43 x 3.3cm / 4.5 x 4.5 x 1.3in Round Size: Approx. φ7.19 x 3.20cm / φ2.83 x 1.26in Function: This easy to install screen will help ensure your furnace or water heater vent stays away from small animal. Fitment: Suitable for outdoor RV furnace, water heater, or battery vents, so you can use this equivalent part to replace the vent cover. Package List： 1 x RV Furnace Vent Cover Kit (14Pcs)