4"/ 6"/ 8"exhaust fan multifunctional ventilation fan wall mounted pipeline ventilation for kitchen silent strong exhaust fan

NOBRAND. Airflow Efficiency): Oblique flow supercharging 10 high-density blades, low resistance, powerful wind. Motor Performance): Double ball bearing motor, durable, fast-speed, energy-saving 35-130W). Noise Control): 31-43dB ultra-quiet, special air duct for low-noise operation. Protection): IP2 waterproof, moisture/dust-proof, formaldehyde dilution, corrosion-resistant. Operation): Remote control with 2-speed adjustment, easy to use. Duct): 100 aluminum 3/6m), fire-resistant, bendable, weather-proof. Application): Suitable for bathroom/kitchen/dryer venting, 4 6 8 sizes available. Oblique Flow Supercharging: High-density diagonal blades cut air evenly, reduce internal airflow resistance, and provide stronger ventilation with lower noise. Durable Motor: Double ball bearing motor ensures long-lasting performance, high speed, and low energy consumption. Silent Operation: Combined with specialized air ducts, the diagonal blades deliver high static pressure while maintaining smooth and