Half Round Louver Vent No Flange 4" Deep
Collection: Signature Series
Shape: Arch Top
Depth: 3.5 inch thick
Color: Choice All Aluminum Colors
Material: Metal / .019 Aluminum
Screen: Functional And Non Functional
Standard wall depths are 3.5 inches. This half circle vent is commonly called a 4 inch but is physically 3.5 to match the stud depth.