Magnetic Covers vs. VentSTOP

Benefit	VentSTOP	Magnetic Vent Covers
Can be applied to ANY vent	Yes: Applied with Velcro, so VentSTOP adheres to any vent surface.	No: Only work with steel or iron vents. Most vents are made of aluminum, rendering magnetic covers useless.
Acts as a layer of insulation between cool ducts and living space	Yes: VentSTOP is rated at R14, is only 5/32" thin and has four layers.	No: Magnetic covers do not provide any degree of insulation.
Provides a true thermal break	Yes: VentSTOP's foil and sealed air layers truly seperate cool from heated air.	No.
Acts as a radiant barrier	Yes: Foil aditionally prevents any radiant transfer of heat through VentSTOP.	No.

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