" JWH " 526069 DO-IT-BEST/HWI PRODUCTS

4" X 4" X 1-1/2" ELECTRIC BOX EXTENSION

• Steel
• 4" x 4" x 1-1/2" D.
• 22.5 cu. in.
• (8) 1/2" knockouts
• (4) 3/4" knockouts on sides
• UL listed