4 DECORATIVE MAGNETIC VENT COVER BLOCKER REDIRECT AIR CONDITIONING AIRFLOW NEW Air vent redirects hot or cold air to areas most lived in for added comfort while saving money Cuts easily to desired size with scissors Blocks airflow by over 99% Includes four 5" x 12" vent blockers in neutral brown to look like a real vent Easy to install with powerful magnets hold tight to floor or wall registers