[Strong Load Capacity]This FB900 fan mounting box is very suitable for installation on the vaulted ceiling. This outdoor ceiling fan mounting box can support mounting ceiling fans up to 70 lbs and fixtures up to 200 lbs. [ upgrade]Ceiling fan mounting box is made of strong and high-quality materials, with rich textures and can be painted. You can also paint the fixture the color you want to match the color of the fan and fixture, or just leave it in its natural color. [FB900-1 Fan Mounting Box]It is suitable for the ceiling of the cathedral at an angle of more than 80 degrees, which is the perfect way to install it on the ceiling of the cathedral. [Easy to use]Safe and perfect installation on the ceiling of the home or open cathedral. It is easy to install on unfinished ceilings and requires a simple 2x4 frame to handle open ceilings. (2x4 Frame Not Included) Connee box to the bevel of the ceiling so that the short edge of touches the bevel. Pass the cable through the cable connector and install the fan. [Package Included]The package of the fan or light fixture mounting box includes two short center screws,and two long screws for bracket installation. Note:Two long screws help to hold in place your fixture until removed by installer.