Diamond Brand Duct Fan Axial Flow Exhaust Fan Industrial Ventilation Fan Kitchen Bathroom Commercial High Suction Smoke Exhaust Fan 4 Inch Stepless Speed Control 98mm Opening

1. Strong ventilation with diagonal flow fan technology.

2. Effective formaldehyde dilution, dust and smoke removal.

3. Moisture and dampness prevention.

4. Odor elimination and air circulation.

5. Simple and convenient installation and disassembly.

6. Durable, eco-friendly materials with waterproof protection.

Noise levels range from 35 to 55 dB depending on size and environment; improved design reduces noise to as low as 16 dB.

Turbocharged diagonal flow fan provides superior airflow and exhaust efficiency compared to ordinary fans.

Motor features double ball bearings and upgraded coils for reduced noise and enhanced durability.

Clip-on design allows easy removal of the main unit by releasing the buckle.

Base fixed with screw holes for secure mounting.

No special tools required; manual knob operation simplifies installation.

Extended power cord included; no wiring needed for quick setup.

Fan blades are easy to clean by simply unscrewing the fixing screws.

Actual noise levels and dimensions may vary depending on size and environmental conditions.

Product images are for illustration only; please refer to the actual product for details.