Premium Indoor Fresh Air System with Variable Frequency Conversion
Advanced variable frequency motor ensures ultra-quiet operation (≤25dB) with 30% energy savings. High-efficiency H13 HEPA filter captures 99.97% of PM2.5, allergens, and odors. Durable ABS housing with reinforced aluminum inner frame for long-term stability. Precision-balanced fan blades eliminate vibration for whisper-quiet performance. Smart auto-adjustment detects indoor air quality (CO2/PM2.5) and adjusts airflow (50-350m³/h). Modular design allows wall/ceiling/duct installation in homes, offices, or schools. Commercial-grade EC motor with 50,000-hour lifespan. Washable pre-filter extends maintenance intervals. Ships in bulk quantities with OEM customization available. Ideal for allergy sufferers, smog-prone areas, and airtight modern buildings. Bulk discounts apply for wholesalers – global logistics supported.