1) Hardboard Backed Dome
Durable
sealed hardboard back, extruded
rubber rim, Hanging Brackets on the backing for attaching to a chain or
wire. (Chain Not Included)
2)
Steel Backed Dome
Same as description (1) with a 20-gauge galvanized steel back.
3) Open Back Light Weight Chain Mount
Black Rim covering the flange. Open Back (No
Back Cover). Screw holes in
the flange for attaching directly to a ceiling.
Chain and hardware included for hanging from
an open ceiling.
4)
Lens Only - No Backing
Furnished with
mounting holes
drilled in flange. No back and no mounting hardware or rubber trim.