The 10 qt. GoFit commercial backpack vacuum is ProTeam's largest version, which can contain sizeable debris while delivering supreme balance and ease of use. The 10 qt. is an example of continuous comfort with the patented 4-step FlexFit articulating harness system. Inspired by top-rated backpacks beloved by hikers worldwide is designed to rest comfortably on the user's hips for hours of wear. Additionally, the FlexFit harness's purple numbered touchpoints provide a customized, quick-adjust fit that doesn't require tools. And, with more freedom to move because of its close-fitting profile, you'll bump into fewer objects as you work. The ProLevel Filtration System with HEPA Media, helps reduce allergens and asthma triggers found in the indoor environment and captures 99.86% at 0.3-5 microns per ASTM F3150. When it comes time to change out the filters, to ensure maximum efficiency, you'll find one hand is all you need with the newly designed hinged lid with a single, durable, quick-release, die-cast aluminum latch for easy access. Includes ProBlade Carpet Tool Kit 107530: ProBlade carpet tool (107527), 32"-57" telescoping straight friction-fit wand (107529), 17" crevice tool (100108), 3" dust brush (100110), 5" upholstery tool (100115), cuff adapter (103122), plus 2 filter bags (107313) and a 50' power cord (101678). Unsurpassed 3 year warranty. Use filter bags open collar #107313 or closed collar #107680.