Contains 4-Sided, folding combination H13 High-Grade HEPA filter and active carbon filter.Captures up to 99.9% of airborne particles 0.1 Micron or larger including bacteria and various contaminants as well as unwanted cooking odors, smoke, VOCs and more2,500-Hour runtimeFilters last up to 6 months, and last 3 months when purifier operates 24/7Approximately 1,000-square-foot area 2x times every hour or 500-square- foot room 4x every hour