I don't know who this will work for, but it might work for people who have a relatively new HVAC system. Our home dates from the 1980's with an older system and adding material to the vents SERIOUSLY RESTRICTS AIRFLOW FROM THE VENT. Maybe around 90%. And I'm not even exaggerating. I felt almost no air going through the vent when the material was applied to it. I'm sure it will catch dust particles. But it actually blocks everything else, including airflow. I really wanted it to work. We have a newborn. well $400+---Dust levels are high. We have no pets or rugs, just a few rugs. We use laminate blinds on the windows, not fabric. .Maybe I'll sew a teddy bearπ
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