The Instant Air Purifier replacement filters are specifically designed for the Instant Air Purifier range. Its advanced 3-in-1 filtration system allows you to inhale cleaner air, and exhale peace of mind. Features: Genuine Instant Air Purifier replacement filter Easy-to-install replacement filter designed specifically for the Instant Air Purifier AP200 (Air Purifier sold separately) When installed in the Instant Air Purifier, works to remove 99.9% of bacteria, virus and mould from treated air1. Advanced 3-in-1 filtration system: A true HEPA-13 filter captures 99.97% of dust, dander, pollen, allergens and other ultrafine impurities in the air A carbon filter layer in the filter helps reduce odours An antimicrobial coating prevents bacterial growth on the filter and protects it against degradation Estimated to last 6–8 months when used continuously in Auto Mode 1) Performance claims are calculated based on testing of a single particulate, A. Niger (mould), E. Coli (bacteria), S. Epidermidis (bacteria) or Phi-X174 (virus), under laboratory conditions following 1 hour of air purifier operation at the maximum fan speed and with Plasma Ion Technology on. Actual results may vary, depending on usage environment (temperature, humidity, room size and shape, nature and number of particulates in air, etc.), placement of the unit, and product usage (operation duration, operation mode, etc.). Best results with continuous use. An air purifier by itself does not protect against COVID-19.