
50" Poultry House Exhaust Fan Greenhouse Fan Ventilation Fan. High Anti-Corrosion Frame: Hot galvanized sheet with 275g/sqm zinc thickness for superior durability. Durable Stainless Steel Blades: 430 stainless steel blades ensure large air flow without deformation or rust. Long-Life Mitsuboshi Belt: Japanese B-type belt offers 3x longer service life and is maintenance-free. Low Noise Operation: Imported double-row waterproof bearings ensure high strength and low noise. Customizable Voltage: Voltage supports 220V, 380V, or customized options to fit specific needs. Efficient Centrifugal System: Nylon PA66 and stainless steel guide rods ensure minimal air resistance. Versatile Application: Ideal for poultry houses, greenhouses, livestock breeding, and factories. Certified Quality: Products hold ISO, CE, and CCC certifications for international standards.