Key features

• •Package Include: the packaging includes 4 RV furnace ventilation cover or water heater ventilation cover, 6 spring hooks, and 1 installation tool; Warm reminder: the product does not have rubber rings, so be careful not to scratch your hands when using it
• •Specification: The size of the rectangular filter screen is 8.5 x 6 inches (length x width), the size of the square filter screen is 4.5 x 4.5 inches (length x width), the size of the circular filter screen is: 2.8 inches (diameter), and the side length of each mesh is 0.16 inches
• •Compatible with: this screen compatible with furnace vents also fits for water heater vents and most battery vents, which protects the furnace to stay away from flying, insect, mice, and birds
• •Easy to Install: the furnace vent cover set have spring hooks and installation tool are provided to install conveniently
• •Durable Material: mesh screen is made of stainless steel; It is strong and durable; Minimal airflow restriction for RVs furnace vent or water heater vent to keep away bugs