Quantity: the packaging includes 1 RV furnace ventilation cover or water heater ventilation cover, 4 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
Size: each screen size is 4.5 x 4.5 inch (L x W),1.3 inch in height, each mesh grid is 0.3 inch in length, please check the size before purchase it
Well-designed: designed screen fits for Atwood furnace vents models 2540, 8516, 8520, 8525, 8531, 8535 and 8940, also fits for Suburban 6, 10 and 12 gallon water heater vents and most battery vents, that protects the furnace to stay away from flying, insect, mice and birds
Characteristic: the furnace vent cover set have spring hooks and installation tool are provided to install conveniently
Material: mesh screen is made of stainless steel; It is strong and durable; Minimal airflow restriction for RVs furnace vent or water heater vent