The Airwash® MultiPRO is a high-quality HEPA Air purification “Air Scrubber” unit that possesses: Superior cylindrical HEPA filtration providing greater coverage with a larger surface area increasing longevity and resulting in fewer filter changes. Cylindrical filter allows for even particulate loading and performs to full capacity. Versatile, multi-functional 5-stage filtration system for diverse environments and a wide array of applications. Tool-Less access for speedy filter changes. Covered by a 5-year warranty.