ELECTRICAL BOXES 4" X 4" SQUARE BOX ONLY KNOCKOUT Product Code: 41170020-00 $6.99 4" X 4" BOX COVER BLANK Product Code: 41170021-00 $1.69 AC90 OCTAGON BOX WITH CLAMPS Product Code: 41170022-00 $4.99 1-1/2" OCTAGON BOX METAL WITH CLAMP Product Code: 41170023-00 $2.79 OCTAGON BOX METAL WITH CLAMP & BRACKET Product Code: 41170024-00 $4.49 2-1/8" OCTAGON BOX WITH CLAMP & BRACKET Product Code: 41170025-00 $9.99 OCTAGON BOX CEILING FAN Product Code: 41170026-00 $12.99 1-1/2" DEEP OCTAGON BOX EXTENSION Product Code: 41170027-00 $6.49 4" X 1/2" PANCAKE CEILING ROUND Product Code: 41170028-00 $4.49 4-11/16" X 2-1/8" SQUARE BOX METAL Product Code: 41170029-00 $7.99 VAPOUR BARRIER FOR DEVICE BOX Product Code: 41170030-00 $1.19 VAPOUR BARRIER FOR 2 DEVICE BOX Product Code: 41170031-00 $1.29 VAPOUR BARRIER FOR 3 GANG BOX Product Code: 41170032-00 $1.79 VAPOUR BARRIER FOR OCTAGONAL BOX Product Code: 41170033-00 $1.39 1/2" SEALS KNOCKOUT 10PK Product Code: 41170034-00 $4.99 4" X 1/2" ROUND BOX EXTENSION Product Code: 41170035-00 $7.49 7/8" BOX EXTENSION FOR DEVICE BOX Product Code: 41170036-00 $8.49 REWORK DEVICE BOX W/PIVOT ENDS EZ101BAR Product Code: 41912236-00 $11.99 ATRON 4" SWIVEL CROSS BAR Product Code: 41914825-00 $3.49