What’s your air purifier?

Mine is a Lasko 20” box fan with some L-brackets screwed in to hold a 20”x20”x1” filter,

I originally had the filter in a “push” position, but changed my mind to redid it to a “pull” position (like a home central AC system)

Mine is a Lasko 20” box fan with some L-brackets screwed in to hold a 20”x20”x1” filter,

I originally had the filter in a “push” position, but changed my mind to redid it to a “pull” position (like a home central AC system)