UP3D FreAire - for Home Large Room Up to 1800 Ft², HEPA Air Purifier with Real-Time AQI & PM2.5 Display - White 909

This air purifier features real-time PM2.5 and AQI monitoring with a color-coded display for instant air quality feedback. Its 360° intake system refreshes air in rooms up to 1800 sq ft every 15 minutes, circulating clean air 4 times per hour. The 3-stage H13 HEPA filtration captures 99.97% of particles down to 0.3 μm. A quiet 20dB sleep mode, child lock, timer, and auto mode ensure family-friendly operation. Certified by ETL, FCC, EPA, and CARB, it comes with a 30-day money-back guarantee, 2-year warranty, and lifetime support.