The Airwash IS5500 is a high powered, high quality HEPA Air purification unit that effectively cleans the air in large commercial spaces, recommended for up to 18750 sq ft with 2500 CFM. Fully customizable unit to suit a wide array of applications including clean room classifications. Quad HEPA air filtration system that will hold up to 28lbs of carbon along with HEPA filter for effective VOC removal. Easy access to filters for quick maintenance. Installed unit filtering high volume square footage. Covered by a 5 year warranty.