Longwell 500mm Portable Smoke Exhaust Axial Fan

Longwell 500mm Portable Smoke Exhaust Axial Fan. Multi-Voltage Support: Operates on 115V, 230V, and 380V AC for global compatibility. Durable Cast Iron Construction: Blades and housing made of cast iron for robust performance. Premium Bearing System: Equipped with high-quality NSK or NMB ball bearings for longevity. Certifications: CE, RoHS and CCC on applicable models; ETL on selected models; ISO 9001 certified quality system; we confirm the certificate for your exact model and market before order. Flexible Speed Control: Offers 1-2-3 speed settings for precise airflow management. Full Customization Options: Supports full customization, minor tweaks, and design-based customization. OEM and ODM Services: Provides OEM and ODM services with flexible customization options.