Negative‑Pressure Exhaust Fan with Self‑Closing Shutter
High corrosion‑resistant square exhaust fan with auto shutter, waterproof copper motor and large airflow, ideal for farm and workshop ventilation cooling.
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Chimney Draft Inducer Fan
Vertical ventilation chimney fan for livestock and poultry houses. Powerful upward airflow exhausts hot stale air, ammonia and moisture from barn tops. Natural fresh‑air inflow forms healthy vertical airflow and reduces livestock disease risks. Heavy‑duty, weather‑proof and long‑lasting for farm ventilation systems.
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