Centrifugal fan centrifugal fan manufacturers _ _ centrifugal fan models Company Name: Henan Hongji Blower Co., Ltd. Company website: www.guolufengji188.com company sales hotline: 0394-7892627 15518086290 QQ: 445528270 for the filter surface is not dirty , you can use a clean air sided purged until the light seen by the eye in just dust. 3. If after cleaning stainless steel wire mesh pieces discovered on deformed or damaged, then, need to be replaced to use. 4. Pay attention to the screen protection filter chip, and can not appear in the cleaning of impurities when deformed, damaged, otherwise, after reinstalling the filter sheet will not be able to achieve the desired effect.