FAQ Search Select a Category Cleaning Formulas Cleaning Tips Corporate Deep Cleaners FAQ Hard Floor Cleaners Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go What does Multi-Level Separation mean with my PowerGlide® with Lift-Off® Technology Vacuum? Answer: Multi Level Separation help reduce allergens – Multi-cyclonic separation (Essentially the overall design of the hoses and tank), the pre-motor filters, and the post motor filter work together as a system to pull over 97% of all particles 1 micron or larger out of the air traveling through the vacuum. Also, this filtration system helps to reduce allergens, some of which are the smallest particle sizes referenced in industry filter ratings. This product does NOT contain a HEPA Media Filter Related Questions Why isn't there any suction with my Pet Grooming Tool? My Garage Pro® blower mode is not functioning. What should I do? The handle on my Momentum or PowerTrak Cyclonic Vacuum is difficult to install. What can I do? My Momentum® or PowerTrak® Cyclonic Vacuum is hard to push. Any suggestions?