Use the XFasten Magnetic Vent Cover to control the airflow through your home. Tip: Don't close up too many vents to avoid a much bigger…

XFasten Magnetic Vent Cover, 8 x 17 (Pack of 5)

XFasten Magnetic Vent Cover, 8 x 17 (Pack of 5)

Strongest Magnetic Vent Covers (3-Pack), Flexible Floor Vent Cover, Cut to Size Air Vent Covers, Heat/AC Vent Covers for Home Ceiling Registers, 5.5 x 12 Vent Covers Magnet, Wall/Ceiling Vent Cover

Magnetic Air Vent Cover 5.5 Inch x 12 Inch - Vent Blocker

Magnetic Air Vent Cover 8 Inch x 15 Inch - Vent Blocker

Hadanceo 4Pcs Magnetic Vent Covers Distributed Airflow Strong Magnetism Energy Saving Thicken Air Register Covers for Home

Industrial Grade Magnetic Air Vent Cover that can mount strongly even on ceiling vents and hard to access areas.Surface can be painted over and can be

XFasten Magnetic Vent Cover, Industrial Grade Magnets for Sidewall and Floor Vents - for RV, Home HVAC, AC and Furnace Vents, 8-Inch x 17-Inch, Pack

Magnetic Vent Cover –8 x 15.5 Extra Thick Wall/Floor/Ceiling Vent Covers (4-Pack) That Will Reduce Sound, Very Flexible, and Will Stick to Your Vents – Made from Premium Magnets by Kelbert

MODERN WAVE - Extra Strong Magnetic Air Vent Screen Cover for Floor 5-Pack (5'' x 11'', Black)