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Blosail
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Blosail
Returns
Eligible for Return, Refund or Replacement within 30 days of receipt
Eligible for Return, Refund or Replacement within 30 days of receipt
This item can be returned in its original condition for a full refund or replacement within 30 days of receipt.
Read full return policy
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  • Blosail Magnetic Air Vent Deflector for Under Furniture, Upgraded Thickened Floor Vent Extender for Home Floor, Thick PET Material, Fits 10" to 12" Wide Floor Registers, Extends up to 33" Long, 2-Pack
  • Magnetic Air Vent Deflector for Under Furniture, UpgradedBlosail
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Magnetic Air Vent Deflector for Under Furniture, Upgraded Thickened Floor Vent Extender for Home Floor, Thick PET Material, Fits 10" to 12" Wide Floor Registers, Extends up to 33" Long, 2-Pack

4.4 out of 5 stars (47)
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  • Adjustable Air Vent Extender: Blosail air vent deflector measures 13" wide, extends from 17" to 33", and is 1.5" high; Fits most floor vents and works under most furniture; You can also detach one extension panel from the set to better fit your space
  • Enhance Comfort & Efficiency: Vent deflector redirects airflow from under furniture or curtains to desired areas, improving room comfort and saving energy; Built-in magnetic seal with strong neodymium magnets and adhesive prevents air leaks
  • Thickened Heavy Duty Material: Vent extender is made from 1.5mm thick premium PET plastic, ensuring durability and long-lasting use; It’s rigorously tested to withstand extreme temperatures from -22 ℉ to 130 ℉ without deforming or losing shape
  • Note about Magnetic Air Vent Extender: Please measure the width of the register from one end to the other, ensuring it does not exceed 12"; Floor vent deflector for register is not meant for heavy weights to be stacked on top of it during use or storage
  • What You Get: Pack of 2 quality PET air vent deflectors (two air deflector pieces with two extension pieces for combined use); If you have any issues, please contact us and we will assist you promptly

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Product Description

Magnetic Air Vent Deflector for Under Furniture Thickened Floor Vent Extender
Magnetic Air Vent Deflector for Under Furniture Thickened Floor Vent Extender
Magnetic Air Vent Deflector for Under Furniture Thickened Floor Vent Extender
Magnetic Air Vent Deflector for Under Furniture Thickened Floor Vent Extender
Magnetic Air Vent Deflector for Under Furniture Thickened Floor Vent Extender

  • It is compatible with most metal floor registers that are 10 to 12 inches wide. It is not designed for vents wider than 12 inches or for non-metal vents where magnets cannot attach.

  • No tools are required. The deflector attaches directly to metal floor vents using built-in magnets and adhesive sealing strips.

  • Yes. The extender panels can be adjusted, and one extension panel can be detached to better fit shorter spaces or specific furniture placements.

  • The deflector is made from thickened 1.5mm PET plastic. It is designed for long-term use and tested to withstand temperatures ranging from -22°F to 130°F without warping or losing shape.

  • No. The vent deflector is not designed to support heavy weight. Heavy furniture or objects should not be placed directly on top of it during use or storage.

Product information

Technical Details

Manufacturer ‎Blosail
Place of Business ‎Blosail
Product Dimensions ‎35.56 x 25.4 x 3.53 cm; 1.01 kg
Item model number ‎Air Vent Extender
Colour ‎Clear
Included Components ‎Air Vent Extender
Item Weight ‎1.01 kg
Country of origin ‎China

Additional Information

ASIN B0FDKKJLSY
Customer Reviews
4.4 out of 5 stars (47)

4.4 out of 5 stars
鶹 Rank
Date First Available June 18 2025

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Blosail Magnetic Air Vent Deflector for Under Furniture, Upgraded Thickened Floor Vent Extender for Home Floor, Thick PET Material, Fits 10" to 12" Wide Floor Registers, Extends up to 33" Long, 2-Pack

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Product Summary: Blosail Magnetic Air Vent Deflector for Under Furniture, Upgraded Thickened Floor Vent Extender for Home Floor, Thick PET Material, Fits 10" to 12" Wide Floor Registers, Extends up to 33" Long, 2-Pack

From Blosail

4.4 out of 5 stars, 47 ratings

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100+ bought in past month

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About this Item

  • Adjustable Air Vent Extender: Blosail air vent deflector measures 13" wide, extends from 17" to 33", and is 1.5" high; Fits most floor vents and works under most furniture; You can also detach one extension panel from the set to better fit your space
  • Enhance Comfort & Efficiency: Vent deflector redirects airflow from under furniture or curtains to desired areas, improving room comfort and saving energy; Built-in magnetic seal with strong neodymium magnets and adhesive prevents air leaks
  • Thickened Heavy Duty Material: Vent extender is made from 1.5mm thick premium PET plastic, ensuring durability and long-lasting use; It’s rigorously tested to withstand extreme temperatures from -22 ℉ to 130 ℉ without deforming or losing shape
  • Note about Magnetic Air Vent Extender: Please measure the width of the register from one end to the other, ensuring it does not exceed 12"; Floor vent deflector for register is not meant for heavy weights to be stacked on top of it during use or storage
  • What You Get: Pack of 2 quality PET air vent deflectors (two air deflector pieces with two extension pieces for combined use); If you have any issues, please contact us and we will assist you promptly

Product description

The Blosail Adjustable Air Vent Extender is designed to improve airflow and enhance comfort in your home. Measuring 13" wide and extending from 17" to 33" long with a height of 1.5", it fits most standard floor vents and works perfectly under furniture. For a customized fit, one extension panel can be detached as needed. This vent deflector efficiently redirects airflow away from obstacles like furniture and curtains, balancing room temperature and saving energy. Equipped with a built-in magnetic seal featuring strong neodymium magnets and adhesive, it prevents air leaks to maximize efficiency. Made from thickened, heavy-duty 1.5mm premium PET plastic, this durable extender withstands extreme temperatures ranging from -22 ℉ to 130 ℉ without deforming or losing shape, ensuring long-lasting performance. Please measure your register width carefully to ensure it does not exceed 12". Note that this floor vent deflector is not designed to support heavy objects placed on top during use or storage. Each pack includes 2 high-quality PET air vent deflectors, each with an extension piece for combined or separate use. If you have any questions or concerns, please contact us—we’re here to help!
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