750 CFM Dual motors
Teflon Coated Blades for fans (Less oil sticky)
6" round or 3-1/2x10 rectangular vent connector on top
3 Speed Level control (Low, Medium & High speed)
Single LED light on center 
Removable fan protection grille and removable oil cup
No filter required (The absence of filters enhances air delivery capacity and saves on replacement filter costs)