2 PCS Magnetic Vent Covers 12"X12" - Strong Magnetic Air Vent Covers for Ceiling/Wall/HVAC, White Square Vent Covers for Home & Rv (Fits Steel Vents)

Additional Details from the Manufacturer

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• Important Notice: Please note these AC vent covers are exclusively compatible with steel surfaces - we recommend testing with a magnet before installation as they will not adhere to aluminum, plastic or wood vents
• Premium Magnetic Vent Covers: Our magnetic vent covers for ceiling are crafted from premium 70 mil magnetic material, delivering unmatched adhesion to steel vents. These vent covers create a complete seal while reducing noise transmission by up to 50%. The rubberized magnetic surface prevents slipping, making them perfect for both winter heating and summer cooling solutions in your home or RV
• Cutting Size: This set includes two premium 12"x12" magnetic vent covers are made of soft rubber magnetic material. You can freely cut the size according to your needs to perfectly fit your ventilation openings, These durable covers resist warping and maintain their strong magnetic hold for years
• Good Ventilation effect: These multifunctional magnetic vent covers have a good sealing effect, helping to increase the ventilation efficiency of your home by 20%, redirecting airflow from unused rooms to living spaces, and maintaining consistent temperature
• Multi-Purpose: Beyond basic vent coverage, these vent covers for home use provide comprehensive benefits. They effectively block small objects from falling into ducts. The noise-reducing properties create quieter indoor environments, ideal for bedrooms and home offices. Suitable for residential, commercial and RV applications