Breathe easier in bigger spaces this school year with the PuroAir 400 Air Purifier and 4 replacement filters. Delivering a full 15 months of clean air coverage. Designed for classrooms, conference rooms, teacher lounges, family rooms, and open living spaces, the PuroAir 400 combines high-powered performance with quiet operation. With up to 2,000 sq ft1 of coverage, it’s the perfect solution for keeping the air fresh and healthy in large, shared environments. What’s Included 1 × PuroAir 400 Air Purifier (includes one filter) 4 × Replacement Filters (15 months of coverage) Key Features Extra-Large Coverage: Cleans up to 2,000 sq ft1, making it ideal for classrooms, common areas, and large rooms 3-Stage Filtration: Pre-filter, advanced HEPA filtration layer, and CarbonTech™ for odors1 & smoke4 Smart Auto Mode: Detects and adjusts fan speed automatically based on real-time air quality Air Quality Sensor + Indicator: Instant feedback so you always know your air quality Sleep Mode: Quiet operation for uninterrupted work, study, or rest Family & Classroom Ready: Powerful yet energy-efficient design for daily use in busy spaces Filters: Particulate matter (PM1, PM2.5, PM10) down to 0.1 µm, VOCs5 Reduces: Pet dander4, smoke4, pollen4, allergens4, dust3, odors1 and contaminants1 Specifications Model: PuroAir 400 (includes one filter) Room Size Coverage: Up to 2,000 sq ft1 Filter Life: Approx. 3–4 months each (4 filters = 15 months total) Noise Level: As low as 31 dB in Sleep Mode Dimensions: 14.4” H × 8.1” W × 21.5” D Weight: 14.7 lbs Warranty: 2 years with registration
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