A herniated disk, sometimes (incorrectly) called a slipped disk, is a common cause of severe back pain and sciatica. A disk in the lumbar area becomes herniated when it ruptures or thins out, and degenerates to the point that the gel within the disk (the nucleus pulposus) pushes outward.
The ceiling fan's downrod must be long enough for the fan's blades to clear the ceiling. A fan with a 12-inch downrod works for a vaulted ceiling with a one-quarter-to one-third-inch pitch. An 18-inch downrod is sufficient for a pitch that is five-twelfths to one-half inch.
Loading... The Hunter Vaulted Ceiling Fan Mount allows you to install your ceiling fan on ceilings that are angled up to 45Â° and is compatible with all ceiling fans that utilize a 3/4 in.Dia extension downrod. This unit's brushed nickel finish precisely matches that of brushed nickel Hunter ceiling fans. Enables installation of a ceiling fan on ceilings angled up to 45Â°. 2  Adaptable to all Hunter fans and all ceiling fans with a 3/4 in. 3  Dia ceiling fan extension downrod. 4  May also be used as a replacement canopy for all ceiling fans that utilize a 3/4 in.