- Use Air Deflectors when vents are behind furniture, beneath a bed or Sofa, and Curtains to unblock airflow into the room. Also controls air from blowing directly onto the Room, plants, furniture drapery, and curtains. Place over 4″x10″ or 3″x10″ floor vents, also suitable for 2″x10″ and 6″x10″ - Redirect Airflow – Deflectors are extremely versatile, enabling you to redirect airflow towards the floor-optimized heating & cooling, Place the Air Deflector to Vents on the Floor, use a deflector to direct the air outward, upward, or to the side to prevent the cold or heat from dispersing beneath the bed before it reaches the room. - Material: Cast Aluminum (The melting temperature of Aluminum is 1220 F / 660 approx.) Durable powder coat, Available in Matte Black, Matte White, and Brown color, Re- paintable. (Can be re-painted with metal spray paint) - Floor Vent Cover not included. Comes with a 3M Double Sided Mounting Tape at back. Pet friendly. Will not break.