Seatern Magnetic Vent Covers, Extra Strong Magnets, Black 8″ x 12″ (3 Pack) Ultra Thick 60mil, Complete Seal, Air Vent Covers for Home Floor, Ceiling, Wall Registers, HVAC, AC, RV, and Heater Vents-Fast Shipping

Description

IMPORTANT! – For STEEL Vents Only: Not suitable for use with aluminum or plastic vents. Please test with a small magnet before ordering

IMPORTANT! – Cover Size: 8″ x 12″, Thickness 60 mil (1.5 mm), rounded corners, Brushed Black Finish. Please measure your vent face before ordering

Extra Magnetic Strength: Crafted from premium materials, these covers have a surface magnetic strength of up to 650 Gauss, ensuring a complete seal with no slipping – Setting us apart from competitors

Airflow Control: Effectively blocks hot or cool airflow in unoccupied rooms, enhancing comfort while directing air where it’s needed

Versatile Use: Ideal for HVAC systems, AC units, heater vents, and more – Perfect for homes, basements, RVs, and noise reduction in apartment buildings