Quantity: package includes 2 pack RV furnace vent cover, 2 pieces spring hooks and 1 installation tool
Size measures: each screen size is 2.8 inch in diameter, 1.8 inch in height, each mesh grid is 0.3 inch in length
Well-designed: designed screen fits for most Duo-therm and Suburban furnace vents, protects the furnace to stay away from flying, insect, mice and birds
