https://www.ebay.com/sch/i.html?_nkw=Allied+Moulded+9373+Fr+Speed+Klamps+Round+Fan+Box+6+Inch+Depth+Polycarbonate+16+5+Cubic+Inch+Black&_sacat=0&_dmd=2

Allied Moulded 9373-Fr Speed Klamps Round Fan Box; 6 Inch Depth Polycarbonate 16.5 Cubic-Inch Black

Regular price
$179.00
Sale price
$120.00

Allied Moulded Speed Klamps™ Round fan box in black color is made of polycarbonate and has injection molded construction. It has saddle mounting. It measures 4.000 Inch diameter x 6 Inch. Fan box has two molded-in speed clamps and has two outlets. It has capacity of 16.5 cubic inches and can be used for fixture support up to 50 lb. Support box is UL listed.