*Tested to GB/T18801-2022 P.CCM, based on 50% CADR decline, 4 m2 cleaning area, and 12 hrs daily operation on MAX fan speed.**vs UK best-selling air purifiers. 3rd party volume sales data Jul ‘23 - Jun ‘24, using manufacturer recommended filter costs and replacement frequencies over 5 years. For verification email ukinfo@sharkninja.com.***Non-living matter, based on IEST-RP-CC007.4 99.97% @ 0.1 - 0.2 microns.**** Based on AHAM AC-1-2020, tested in max mode