Frost King HD11 Baseboard Air Deflector, Heavy Duty, Clear Plastic with Magnetic hold, Fits baseboards up 25' wide, Adjustable 15" to 25"

Key features

• Heat & air deflector with dust filter, for Central forced air systems
• Improves household heating, and cooling, while filtering air
• Redirects air flow for better heating or cooling
• Improves airflow
• Adjustable from 15" to 25"
• Note: The unit will only work with metal heat registers, it uses magnets to attach to the heat register.