Specifications include, but are not limited to: A. Air Purifier Brand: Smart Air Blast Mini, Alen BreatheSmart 75i, Coway AirMega 400 or Equal • Standalone air purifier • Noise Level (decibels): Less than 60 (Highest setting) • Clean Air Delivery Rate (CADR): 450 minimum • Air Exchange Rate (ACH): 3 minimum • Filter Type: True HEPA B. Replacement Filters Manufacturer Approved Replacement Filters: Filters must not change the technical specifications of the Air purifier listed above. • Filter Type: True HEPA • Disposable • Air Purifiers will be in use during regular school hours, 7:45 a.m. to 4:30 p.m., Monday through Friday excluding holidays. • Four (4) years of replacement filters based on usage and manufacture’s filter change frequency,
