The Nilfisk Back Vacuum was designed with comfort and ease-of-use in mind. For its small size, this vacuum is incredibly powerful and equipped with a variety of features for fast, effective cleaning in a multitude of applications. Lightweight, ergonomic design to reduce fatigue. Low noise level for operator comfort and cleaning in a noise-sensitive area. Upstream HEPA filter allows for safe collection of materials, trapping 99.99% of particles, down to and including 0.3 microns.