This article contains the HP300UK Series Shark NeverChange5 Air Purifier Max FAQs.
*NeverChange Filtration: HEPA filtration that won't need replacement for up to 5 years DebrisDefence filter protects HEPA layers. Tested to GB/T18801-2015 P.CCM, based on 50% CADR decline, 28m2 cleaning area, and 12 hrs daily operation on MAX fan speed.