Hoover Commercial CH34006 HushTone Back Pack, 6 quart Self-Sealing bag traps dust and promotes healthier disposal of bags Lightweight design allows you to maneuver with less strain and more productivity Sealed HEPA system cleans the air as well as the floor thanks to a washable HEPA filter with hex guard technology Hushtone 2-speed motor cleans at 69dB for quiet daytime cleaning 6 quart capacity