Putsimply,chooseBlueairforperformance.BlueairremovesPM2.5andotherpollutantsfromtheairfasterthanotherbrands.Thisisbecauseofbetterfiltersandmoreairflow.Unlikeothermanufacturersweencourageindependenttestingofourpurifiers,becauseweknowtheyperformwell.Don'ttakeourwordforit,readthetestreports!