This popular air purifier is on sale for 25% off on Amazon right now
Levoit VeSync Core 200S True HEPA Smart Air Purifier, 3-Speed, Wi-Fi Enabled, White (HEAPAPLVSUS0078) | Staples
Amazon.com: LEVOIT Air Purifier for Home Large Room, Smart WiFi Alexa Control, HEPA Filter for Allergies, Removes Pollutants, Smoke, Dust, Covers Up To 915 Sq.Foot, 24dB Quiet for Bedroom, Core 200S, Black :