This ProTeam 100564 micro cloth HEPA filter is a direct replacement for the one that came with your 10 qt. Super CoachPro backpack vacuum cleaner, so you can get back to cleaning in no time at all! It securely holds your Intercept micro filter to serve as the second stage of your vacuum's 4 stage filtration system! This high-quality filter provides optimum filtration while cleaning, helping to keep dust, dirt, allergens, and other pollutants contained within your vacuum and out of the air for improved indoor air quality. Cleaner air means less dusting and more time for other tasks. In addition to promoting better air quality, this HEPA filter will provide a longer life for the secondary filter inside your vacuum. And when the time comes, this convenient filter can be quickly removed and replaced with another filter.