The 30 Tower Fan provides a great breeze with its three-speed energy-saving whisper quiet operation. The F-7327 features a wide air coverage area provided by a 70 oscillation, making it great to place in the corner. The space-saving fan also includes a 2-hour timer with rotary switch and is easy to assemble.OPSF7327. F7327. Optimus Optimus 30IN TOWER FAN.