Shark NeverChange Air Purifier Max The Shark NeverChange Air Purifier Max is a powerful air-cleaning machine for large spaces, and the best part is that you only need to change its filter every five years. Camryn Rabideau/Business InsiderThe Shark NeverChange Air Purifier Max took less than 5 minutes to unbox and get running. Our review of the Shark NeverChange™ Air Purifier MAXAdvertisementEase of UseThe air purifier’s display screen shows the real-time air quality in your home. AdvertisementThe bottom lineFor large spaces, the Shark NeverChange Air Purifier Max is worth the investment. Camryn Rabideau/Business InsiderThe Shark NeverChange Air Purifier Max is a worthwhile option that requires minimal maintenance and covers large rooms.

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