Got a new Hoover Upright Vacuum Cleaner. It's got the HEPA Filter. That filter runs anywhere from 12 to $22.00 , depending on where you buy it. The manual says don't wash it.
Question: WHY can't the HEPA filter on a Hoover Upright bagless Vacuum Cleaner be washed with just plain water, and let it air dry for 24 hours ?