- Q Standard Oscillating Wall Circulator - 30in., 3/10 HP, 8778 CFM, Model# 10306 Maintenance-free, energy-efficient PSC type motor is permanently lubricated and enclosed for long service life Durably built with heavy-duty aluminum, statically balanced blades and a corrosion-resistant powder-coated fan guard Three comfort control settings On/off oscillating feature allows fixed and wide spread operation Durable oscillating mechanism prevents jamming