Manufacturer PureMate. Also, this air cleaner is optimal for people struggling with hay fever. APPROPRIATE AND SUITABLE FOR INDOOR USE- Comfortable for a small or mid-size room. Noise Level 23dB - ≤ 60 dB 32dB (Sleep ) - 62dB (High) ≥40 dB (Low), 58 dB (High) ≤58dB (High) 20dB (Lowest) 20 dB (Low), 60 dB (High).
