4"/6"/8" Inline Duct Fan Extractor Exhaust Fan Ducting Ventilation System IP44

IP44 Waterproof - The waterproof rubber ring makes the fan truly IP44 waterproof and makes the motor capacitor more durable. Air throughput up to 198 m3/h. Equipped with ball bearings to ensure that the duct fan operates with low noise, about 31dB.