【SUPER AIR VOLUME, LARGE AIR OUTLET】Not let the normal tower fan limit your imagination of this big evaporative cooler fan! An upgraded big power motor and a large diameter axial flow fan blades that make this air cooler more powerful and special. Cover spaces up to 700 Square Feet and put out 4700CFM large air volume. If you do need a portable and powerful big cooler fan, our WJD8000F-1M air cooler will be your perfect choice. No matter for indoor/outdoor, commercial/industrial use. 【2-in-1 Evaporative Cooler with Humidification】Simply 2 modes with this portable swamp cooler: Normal and Cooling. But the effective cooling function and powerful wind will make you impressed. It combines the evaporative cooling properties of water with a super wind to lower temperature. Increase the humidity in the hot air to realize the humidification in cooling mode and avoid drying. With 3 speeds easily control, perfect for large spaces like a workshop or restaurant. 【Manual and Continuous Fill】Featuring a super-large 80L water tank, this evaporative air cooler will keep going for hours, you can add water from the top manually or utilize the Continuous Fill option by attaching a household hose with the included float adapter, eliminating the need to watch and manually fill the water tank. 【4 Rolling Casters Movable to Indoor/Outdoor Use】4 universal wheels at the bottom of the portable evaporative air cooler, it is very convenient to move it anywhere in workshop or restaurant. 2 of the wheels can be locked to keep the cooler fan stable once it’s in place. 【3PCS High-Density Evaporative Cooling Pads】Unlike the normal portable air coolers with just 1pc cooling pad, this evaporative cooling fan has 3 big upgraded evaporative cooling pads, which are embedded to form a semi-enclosed type, which surrounds the internal structure of the portable air cooler fan. 60% more power to evaporate water than normal cooler fans! Allowing you to feel the cooling wind in the hot summer.Industrial air cooler can be used in various places such as: workshop, coffee shop, supermarket, restaurant and so on.Q: Are you trading company or manufacturer? A: We are factory founded in 2001. Q: How long is your delivery time? A: Generally it is 25days for first order. It will be more less days for next. Q: Do you provide samples? Is it free or extra? A: Yes, we could offer the samples. But the samples fee and freight paid by clients. Q: What is your terms of payment? A: We accept TT, LC payment. For TT, it's 30% T/T for deposit, balance against BL copy. For LC, it will be LC at sight. Q: Do you produce the Air Cooler Mould? A: Yes. We have a professional team having rich experience in design and manufacturing. All our air coolers shell design and producing by ourselves. Our models also get the patent. Q: Do you accept OEM for customer's brand? A: Yes. But MOQ will be required. Q: How about the FOC spare parts, can be offered with order? A: Yes. We will offer 1% FOC spare parts.