●Direct drive, motor directly contact with blade, simple structure no maintance ，better sealing and less wind loss，no need to replace belt, more than 10 years service life.
●PAG fan blade ensure the fan with large air volume, light weight and high energy efficiency,high energy efficiency ratio will cause energy saving.
●Scientific design for motor , blade , shell and all the parts , they work together to be the best design.
● Butterfly type structure can ensure totally open in high negative pressure conditions.
●Large air volume,less noise gives more comfort to animals.
●Voltage and frequency can be customized.
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