Features STAINLESS STEEL: These screen covers are made of durable stainless steel, are rust and corrosion resistant and can be used indoors and outdoors. MAIN PURPOSE: These umbrellas can be installed on the air vents of the RV stove or refrigerator to prevent insects from entering and exposing the vents. Optimal air flow: zip net cover set that has enough space for optimal air circulation and small holes to prevent insects from entering. SPECIFICATIONS: Includes a rectangular mesh cover, a square mesh cover and 2 circular mesh covers for different ventilation positions in the RV. EASY INSTALLATION Equipped with spring latches and installation tools, these RV vent covers are easy to install, easy to disassemble and clean. Specification: Item Type: RV Ventilation Grille Material: stainless steel. Package list: 1 x rectangular mesh cover. 1 x square mesh cover. 2 x circular mesh covers. 2 x installation tools. 6 x spring clasps. Note: Please check the product size carefully before purchase to make it better fit your motorhome. Especially the ventilation filter for RV refrigerators. Package List 1 x Rectangular Mesh Cover 1 x Square Mesh Cover 2 x Circular Mesh Covers 2 x Installation Tools 6 x Spring Fasteners