• Motor: The Electric motor was specially designed and manufactured for highest efficiency in mind and F class insulation for tropical condition.
• Bearing: Use the original Japany bearing, Double Ball 2RS, high intensity. No noise, lasting durable.
• Blade: The 4-Bladed Propeller is made of Aluminum
• Belt: The tensing of the V-belt is of highest simplicity just the only one bolt on the air inlet side must be loosened. No other part of the fan has to be taken off.
• Blade: The 6-Bladed Propeller is made of Stainless Steel.
• Pulley: V-Belt, High working ability & long life made of Aluminum.

Product's Advantages:

• Negative pressure ventilating fan series are designed scientifically.
• Low cost, low noise, good ventilation effect, strong air flow, energy saving, long lasting and high efficiency.
• The parts with stainless steel have waterproof and dustproof effects.
• By pumping the air with negative pressure, the fan circulates the air indoor and outdoor, and drives out the heat in the workshop.

Product's Applications: Ventilating fan is useful for the following areas:

• Agriculture Field: large farms, greenhouses, animal husbandry houses, etc.
• Industrial Field: textile mills, clothes making factories, glass, rubber, food processing factories, etc.
• Civil Field: super markets, cyber clubs, big dining halls, waiting rooms, etc.