Shark NeverChange Air Purifier MAX, saves you $300 or more in filter replacement costs over 5 years (disclaimer). Covers up to 1400 sq. ft., for powerful, multi-room purification. Odor Neutralizer Technology guards against odors throughout your home, releasing a fresh scent. A HEPA filter captures 99.98% of particles. (disclaimer) Vs. cost of replacing filters on a competitor unit over 5-year period in 300 sq. ft. space. Shark NeverChange Air Purifier MAX 5-Speed White True HEPA Air Purifier (Covers: 1400-sq ft) | HP302