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220V Fresh Air Exhaust Round Duct Fan General Features 1. The shell is made of polypropylene plastic, one-time disposabl···
220V Fresh Air Exhaust Round Duct Fan General Features 1. The shell is made of polypropylene plastic, one-time disposabl···
Exhaust fan, also known as negative pressure fan, negative pressure fan. Is the use of air convection can make the room ···
Exhaust fan, also known as negative pressure fan, negative pressure fan. Is the use of air convection can make the room ···