8 Pack Magnetic Air Vent Deflector, Adjustable Length

[DESIGN] Unique two-part expandable design made of highly transparent, unbreakable plastic. [FEATURE] Fastens securely to metal duct surfaces with two supplied strong magnets. Redirects air for added room comfort and increased system efficiency, helping save energy. [INSTALLATION] Adjust the deflector to fit the vent and position the magnets to keep the unit in place. [UNIVERSALITY] Suitable for common 4x10-inch vents, common 4x12-inch vents, common 4x14-inch vents, common 6x10-inch vents, common 6x12-inch vents, and common 6x14-inch vents, as well as vents shorter than 16 inches or wider than 3.5 inches.

[WHERE TO USE] Widely used for floor vents, sidewall registers, sidewall vents, and ceiling registers. It can be used throughout the home, office, workplace, supermarket, and other locations. [NOTE] The supplied magnets are not suitable for wood, aluminum, or plastic vents, or for vents longer than 16 inches. Screw slots on the deflectors are reserved for non-metal vents