Brand Name: Ace
Opening Width: 4 in.
Opening Length: 7 in.
Color: White
Material: Plastic
Product Type: Pest Guard
Exterior Width: 7 in.
Exterior Length: 4 in.
Keeps birds and rodents out of vents
Fits all 3" and 4" metal and plastic hooded and louvered vents
Connects to hood with screws
Boxed