_ Snail snail fan fan manufacturers Company Name: Henan Hongji Blower Co., Ltd. Company website: www.guolufengji188.com company sales hotline: 0394-7892627 15518086290 QQ: 445528270, after a period of use of the blower filter film will precipitated a lot of impurities, resulting in increased pressure equipment, flow rate drops, this time on the need for timely piece of filter cleaning can continue to use; 1. Clean the filter when the filter surface if the time has been dirty, it needs to be washed in order to achieve the desired effect [Note: At this time the filter needs to be replaced cotton, cotton filters after washing reach the filtering effect].