Brand Name: Imperial
*Opening Width: 4 in.
*Opening Length: 4 in.
*Color: White
*Material: Metal
*Product Type: Exhaust Vent
*Depth: 4-1/4 in.
*Exterior Diameter: 8-1/2 in.
*Exterior Width: 8 in.
*Exterior Length: 4 in.
*Vent adapts to 4" or 6"
*White
