5 days agoA HEPA filter in a vacuum that leaks is worse than no filter at all. That distinction, between a HEPA filter and a sealed system, is the only specification that really matters here. Key TakeawaysLook for a sealed system, not just a HEPA filter. Bagged vacuums are better for allergies because you throw the dust away sealed. The honest flaw: same bagless emptying issue, and the extra capacity makes it heavier to carry up stairs, which partly undermines the lift-away feature.