If you want to keep dust off of and out of your audio equipment, buy MERV 11 or above rated furnace filters and change them every 30 days. Don’t believe the claims on the filter that they last 90 days or more.
They are mainly clogged after 30 days and the dust just blows around the edges of them.
They are mainly clogged after 30 days and the dust just blows around the edges of them.