Arlington FBRS420SC 4″ Octagon Box w/Hanger, 2″ Deep Ceiling Fixture Box with Bar Hanger, For Suspended Ceilings, Metallic. Depth: 2″..Side Knockouts: (4) 1/2″. Bottom Knockouts: (2) 1/2. Adjustable Length: 16″ to 24″. Fan Weight: 70 lbs. Fixture Weight: 70 lbs. Cubic Inches: 20″.

Product Features

  • Fully adjustable mounting bracket Heavy duty plated steel
  • 2 Inch deep 20 0 cubic inch box
  • Meets new UL standards
  • UL rating 70lb fan or fixture CSA acceptable for fan support
  • Usable for Environmental Air Handling spaces