High Speed Window/Wall Industrial Metal 7 Blades Exhaust Fan

High Speed Window/Wall Industrial Metal 7 Blades Exhaust Fan. Pure Copper Motor: Features pure copper wire ball bearing motor for stable long service life. Low Noise Design: Large air flow with low noise operation for efficient ventilation. 7 Stainless Steel Blades: Full metal body equipped with 7 durable stainless steel blades. CE and CCC Certified: Obtained RoHS, CE, and CCC certificates ensuring high standard quality. Customizable Specifications: Size, frequency, voltage, power, and speed are optional to meet needs. OEM Service Available: Logo printing and packaging design available if MOQ is met. Factory Direct Pricing: Pricing based on factory cost rather than trading cost. Simple Installation: Designed for simple installation and simple maintenance.