Vent Deflector - Redirect Airflow - Fits 10" to 14" Wide Floor, Wall, Ceiling Vent Registers - Multi-Surface Use - Strong Neodymium Magnets and 3M Adhesive Tabs Included - 2-PackINCREASE COMFORT: Redirects air flow for greater comfort and energy efficiency. USE ON ANY REGISTER MATERIAL: Attaches to steel vents with powerful neodymium magnets which snap securely into the deflector using patent pending design. Includes 3M high strength adhesive tabs for nonmagnetic vent surfaces such as aluminum, wood, stainless steel, or brass ADJUSTABLE: Easily adjusts for register sizes 10 14. Stops when extended to maximum of 14 and will