Air Filter Myths – Ryco Air Quality
Air filters can just be cleaned out rather than replaced

Attempting to clean out a disposable air filter with either compressed air or simply tapping it out can cause unseen damage to the the filter’s structure including, deforming the media spores, reducing the actual micron-rated pore size, and displacing media coatings.

This, in turn, can lead to reduced efficiency and greater sized particles being recirculated. Air Filters are designed for an intended ‘life’ based on a air purifiers intended use. For the risks you run when you attempt to clean a disposable air filter, it’s definitely worth just replacing it when the time comes.