This economy Heat and Air Deflector features a curved design that helps direct the air flow from your central forced air systems. It helps re-direct air flow in many cases where a piece of furniture may be partially blocking an air vent. Rugged construction insures many years of use. Features: Adjustable from 10-14 in. Magnets hold it into place Turn down for winter heating Turn up for summer cooling Redirects air flow Redirects and improves air flow Turn downwards during the winter for heating Turn upwards during the summer for air conditioning Click here to learn more about Eco Options and Energy Efficiency