Attributes . Plug-in, permanently lubricated motor with resilient anti-vibration mounts; Low sound, high performance blower wheel; Directional vanes in grille for heat and exhaust with snap-in light diffusing lens; 1300 WTT heater with metal blower wheel for efficient, even heating; Plug-in, permanently lubricated motor (functions independent of ventilator); Adjustable mounting brackets span up to 24 IN; Polymeric damper/duct connector with 2 IN long tapered sleeve and no metallic clatter; Compact 23 GA steel housing f . Names