DESC: Up to 1,200 feet of trusted, all-purpose coverage – with UV included to sterilize air-borne antigens and pathogens! Excellent for relief of severe chemical sensitivities. Power to purify anything in the air. With a coverage area of 1200 square feet, the 4000 Exec UV is a good deal, boasting desirable UV filtration to tackle air-borne antigens and pathogens and a 10-pound, military-strength MAC-B filter for gas and odor relief. This non-portable floor model will protect your home or office from many airborne chemicals, gases and odors, and large and microscopic particles. The filter compound includes anti-microbial, HEPA, UV, and MAC-B mass activated carbon. CFM rate of 400; two air changes per hour, four color options. The cleanable pre-filter traps larger particles and reduces replacement intervals. Available in sandstone or black colors