An exhaust fan for use in bathrooms or similar areas has a generally rectangular fan housing formed from two independent structural members to reduce manufacturing waste and decrease production cost. The frame includes oval shaped side members that provide a wide, safe base and a smooth rocking action to the rocker. Top core 61 is formed on bottom core 62, top cladding 53 is formed on top core 61, and top electrode 42 is formed on top cladding 53.