Deflecto Air Deflector Extension Sleeve, Adds 12 Inches of Air Vent Coverage, For Air Deflector Models 52 & 53, Clear (67) Adds 12" (30 cm) of air vent coverage to Air Deflector models 52 & 53 Redirects air and delivers more consistent coverage when used as a vent cover for air registers Saves energy on heating and cooling costs Suitable for both central air heating and cooling applications Helps direct forced air in the direction you want, for added comfort around the home or office