Plug-in, permanently lubricated motor with resilient anti-vibration mounts; Low sound, high performance blower wheel; Directional vanes in grille with snap-in light diffusing lens; 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 finished with electrically bonded epoxy paint; For installation in ceilings up to 12/12 pitch; Suitable for use in insulated ceilings (Type IC); Use supply wiring rated for at least 90 DEG C; Accessories (Purchase separately): Model 68V (ivory)/68W (white) two function control; 1 YR warranty