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
