With a sweeping coverage area of 1800 square feet, the 6000 Exec is a good deal, boasting 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, 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, black, or white colors. A powerful general purpose air purifier, this unit treats all the various types of pollutants which contribute to poor indoor air quality. It features 24 lbs. of activated carbon to adsorb chemicals, gases and odors and a medical grade HEPA filter to remove 99.97% of all airborne particles down to 0.3 microns. The EXEC is ideal for general, dual-purpose applications. It comes with an easy-change pre-filter