Frost King Multi-Use Heat and Air Deflector, 10 In. to 14 In. is a versatile solution designed to optimize air distribution in your home, enhancing comfort throughout the year. This innovative deflector improves heating efficiency in the winter and cooling effectiveness during the summer, ensuring a pleasant environment no matter the season. With an adjustable width from 10 inches to 14 inches, it fits most standard vents and registers, making it i for use in bedrooms, living rooms, home offices, and other living spaces. Its adaptable design helps you control airflow direction and maximize the performance of your heating and cooling systems. Model Number: HD5