Ceiling Box With 11-1/2" to 18-1/2" Adjustable Bar Hanger, 20 CUIN, 4" Diameter x 2-1/4" Depth, 3/0-4/0 Combination, 6 Integral Clamps, Grounding Lug & Screw Attached, Fixture Spacing For 2-3/4" & 3-1/2", Non-Conductive, Non-Corrosive.
Super Blue Round Ceiling Box, 3", 14 CUIN Capacity, New Spring Clamp Design, Break Away Edges For Small Fixtures, Fixture Rating Of 10 LB, Rigid Box, Resists Flexing & Holds It's Shape Even Under The Worst Conditions, Super Tough.
Ceiling New Work Super Blue Hard Body Box, 25 CUIN Capacity, Largest In Its Class, Resists Flexing & Holds It's Shape Even Under The Worst Conditions, Super Tough, Super Integral Cable Clamps, Eliminates Metal Clamps & Screws.