
4 Inch Octagon Box, Welded, 2-1/8 Inch Deep, Side Knockouts: (2) 1/2 Inch, (2) MKO, Bottom Knockouts: (3) 1/2 Inch, (2) 3/4 Inch, Cubic Inches: 21.5, Steel.
Octagon boxes are ideal for flush mounting fixtures in residential and commercial applications. They are designed to securely mount light fixtures, ceiling fans, and convenience outlets.