Exceptional maneuverability to optimize operator efficiency. Provides excellent indoor air quality with three-stages of filtration, including true certified HEPA, that will contain >99.97% of all dust, pollen, bacteria, allergens, and other particles >0.3 microns. Quieter operation than most competitive models at 68 dB(A). Meets LEED requirements. Equipped with spare bag storage and onboard tool. Filter bag replacement: #APC3285.