
Longwell 225mm Low Noise Forward Centrifugal Fan. Low Noise Operation: Designed for quiet performance in ventilation and cooling applications. Wide Voltage Support: Compatible with 115V and 230V AC power supplies. Durable Materials: Blades made of Galvanized Metal or Aluminum Alloy for longevity. High-Quality Bearings: Equipped with NSK or NMB ball bearings for smooth operation. Multi-Speed Control: Offers 1-2-3 speed settings for flexible airflow adjustment. Certifications: CE, RoHS and CCC on applicable models; we confirm the certificate for your exact model and market before order. OEM/ODM Service: Supports custom branding and design modifications. Versatile Applications: Suitable for HVAC, servers, floor heating, and telecommunications.