Levoit EL551S EverestAir® User Manual Questions or Concerns? Please contact us Mon–Fri, 9:00 am–5:00 pm PST/PDT at [email protected] or at (888) 726-8520. Package Contents 1 × Smart Air Purifier 1 × True HEPA 3-Stage Original Filter (Pre-Installed) 1 × User Manual 1 × Quick Start Guide Specifications Model LAP-EL551S-AUS, LAP-EL551S-WUSB Power Supply AC 120V, 60Hz …