Product Info Catalog Electrical & Lighting Electrical Accessories Boxes 4 x 1-7/8-Inch Deep Box Extension 4 x 1-7/8-Inch Deep Box Extension Request a Quote UPC: 50169006658 Manufacturer: Raco Incorporated SKU: 455022 Model Number: 665 4" x 1-7/8" Deep Box Extension, Steel, 8 Each 1/2" Knockouts, 13 CUIN.
