Featuring smooth, ball-bearing design, < 30 dBA; includes hardwareFeaturing smooth, ball-bearing design, the 120V mount flush and comes in 4-1/2” model. QFAN quiet fan includes guard with a black powder coat finish and is great for minimizing noise. Mounting hardware and cord included with each unit.115v fan rated 50 CFM at < 30 dBASmooth, ball bearing design for extra quiet operationIncludes hardware and cord(1) Fan guard included