... durable, low operation cost; portable evaporative cooling fans features: 1.Once-forming Polyethylene shell, with elegant appearance, stronger and ... easy to operate.6. Low operation cost, consumes only 1/2 HP per hour.7. Efficient environmental protection, water ... -4 Noise(dB) ≤68 Weight(lbs) 100 Application areas:1)Industry: injection molding, printing, shoe-making, food processing, rubber, clothing, ...