Product Description
Square Box Extension Ring, 21 Cubic Inches, 4 Inch Square x 1-1/2 Inch Deep, 1/2 Inch Knockouts, Pre-Galvanized Steel
Square Box Extension Ring, 21 Cubic Inches, 4 Inch Square x 1-1/2 Inch Deep, 1/2 Inch Knockouts, Pre-Galvanized Steel