ROUND DESIGN Easily installs utilizing a 4 inch round hole saw design that reduces up to 57% air flow SUPERIOR INSTALLATION Arrow teeth for greater holding power SLIDE SELECT MOUNTING Hardened back mounting plate #8 screw fixture mounting or #10 screw fan mounting feature Side knockouts METAL CONSTRUCTION All metal construction, including metal covers Easy glide twin lead screw for 45% faster installation time 4” ROUND 14 CEILING FAN & LIGHT FIXTURE SUPPORT BOXES CEILING FAN & LIGHT FIXTURE SUPPORT BOXES ROUND BOXES • For New Construction and Remodel Applications • Protective Metal Cover Eliminates Debris or Damage to Wiring • Max. Ceiling Fan Weight 70 lbs • Max. Light Fixture Weight 150 lbs STUD MOUNT • For New Construction and Remodel Applications • One-Sided Stud Mount with 3.5 in Length and Removable Joist Holding Tabs • Protective Plastic Cover Eliminates Debris or Damage to Wiring • Max. Ceiling Fan Weight 70 lbs • Max. Light Fixture Weight 210 lbs FB105 FB115 FB121 1/2” DEEP 1-1/2” DEEP 2-1/8” DEEP Item# Description Depth Width UPC Pack Qty. FB105 Ceiling fan and light fixture support box with metal cover 1/2” 4” 8-15181-01179-6 12 FB115 1-1/2” 4” 8-15181-01180-2 12 FB121 2-1/8” 4” 8-15181-01181-9 12 Item# Description Cu. In. Width UPC Pack Qty. FB213 Stud Mount ceiling fan and light fixture support box with plastic cover 12 4” 8-15181-01184-0 12 FB105 12 Cu. In.