Automatic Shut Off, Oil Diffuser, Portable, Remote Control Included, Tank Empty Indicator, Timer | No additional features, Portable | Automatic Shut Off, Oil Diffuser, Tank Empty Indicator, Timer, Variable Speed | Automatic Shut Off, Oil Diffuser, Tank Empty Indicator, Timer, Variable Speed |
Medium (400-1000 sq. ft.) | Medium (400-1000 sq. ft.) | Medium (400-1000 sq. ft.) | Medium (400-1000 sq. ft.) |