Pre filter, Brand Name : HY

We are offering pre filter. range of application: pre filter be used in civil air purifier, pre-filter of all kinds of various air conditioning equipment, car air-conditioning filtration core etc. filtering efficiency: at the testing speed of 5.33cm/s, filtering efficiency for coarse particles is 60-80%. product features: 1). Low wind resistance, possible to filter coarse dust and hair in air. 2). Washable,it can prolong the working life of hepa filter. 2). Variable forms and materials for clients' choosing and designing.