If poor air flow is making the temperature of a room less than comfortable, you need the Improvements Heating and Air Conditioning Booster. Placed over a register, it automatically pulls up to 80% more heated or cooled air into the room.

Improvements Heating and Air Conditioning Booster Features:

• Boosts your system's air flow with minimal energy cost — less than a 40-Watt light bulb
• Contains no heating or cooling elements
• Fuse-protected
• Fits floor or wall registers up to 12" x 6"
• Made in United States of America