Highlights: Wirecutter Pick: "Effective and Attractive". Ideal Room Size: 219 sq ft to 547 sq ft. (CADR: 141CFM / 240 m³/h). Quiet Operation: 24dB. What Makes Us Stand Out! Enhanced with HEPASmart™ Technology. VortexAir™ Technology. Multiple Filter Choices: Pet Allergy, Smoke, Toxin. Energy Star: Save energy, Save Money! Sleek Design, Red Dot, 2020. User Friendly: Convenient Sleep Mode. 3 Fan Speed. Timer for 2, 4, 6, or 8 hours. Display Lights Off. Check Filter Indicator. Display Lock. Why Levoit? #1 selling air purifier brand in the US 2019-2022. *Source: The NPD Group/Retail Tracking Service, US unit sales, 12 months ending October 2020 According to AMZ sales. Hassle-Free 2-Year Warranty and Friendly Customer Support Team-Based in California. Our Commitment to Fresh Air: Since 2019, Levoit has planted 2,000 trees through our partnership with WeForest. Trusted by 3M+ Customers: Levoit brings fresh air to over 3 million customers worldwide. Explore More Levoit Products: Model Name Core 300-RAC Core Mini Core 200S PlasmaPro 300S PlasmaPro 400S Ideal Room Size 219 ft² 178 ft² 178 ft² 219 ft² 403 ft² Auto Mode ✘ ✘ ✔ ✔ ✔ Smart Control ✘ ✘ ✔ ✔ ✔ AQI ✘ ✘ ✘ ✔ ✔ PlasmaPro™ ✘ ✘ ✘ ✔ ✔ Bonus Filter 1* Pre-installed H13 True HEPA Filter 1* Pre-installed H13 True HEPA Filter 1* Pre-installed H13 True HEPA Filter 2* $29.99 Value H13 True HEPA Filters Included 1* Pre-installed H13 True HEPA Filter Get A Filter Core 300-RF Click Here Core Mini-RF Click Here Core 200S-RF Click Here Core 300-RF Click Here Core 400S-RFClick Here