Ceiling fan or light fixture interjoist support. Heavy duty installation. Adjustable bar hanger, 4 in. octagonal box, 1-1/2 in. deep, 15.8 cu in. For old work.

North American Specifications (UNSPSC)
UNSPSC 39121316 Ceiling box
IGCC 4449 Box/housing for built-in mounting in the wall/
ceiling
Brand Name Steel City
Type Fan Boxes
Application For old work
Standard cULus
Number Of Outlet 1
Material Steel
Size 4 Inches Diameter x 1-1/2 Inch depth
Color Silver
Cubic Capacity 15.8 Cubic Inches
Knockouts Yes

European Specifications (ETIM)
ETIM EC001796 Junction box for ceiling luminaire
Outlet diameter 101.6mm

Packaging
Outer Quantity 6
Outer Dimensions (inches) 13.31x15.75x8.81
Weight Uom 2.5 lbs. Each