This kit allows you to install your 61 1/4" Infratech heater into a flat ceiling. The ceiling needs to be made with a minimum of 2" x 8" Studs. The cavity must be lined with 5/8" 1-Hour Fire Rated Drywall. The heater is suspended by resting the adjustable tabs in the flush mount fixture. Includes a HI-Temp 4' Fixture Whip And 2- High Temperature Wire Nuts.