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Unique features:

• Gentle and comfortable air output
• Air output at 1100L/s, change of a room’s air 30 times every hour
• Build-in double clearances structure, for fresh and natural air
• Multi-grade intelligent timing inverter
• Sustainable power-saving mode
• Ultra-silence, the lowest at 25db (decibel)
• Auto-power off in 45 degrees to protect your family.