Haoair Brand Primary Air Filter HEPA Air Filter Application and Classification

Haoair Brand Air Filter Application and Classification The HEPA air filter use the atmospheric dust counting method. The HEPA air filter use the DOP Test, we can divide the air filter according to the different application, character, and different construction. 1: Primary air filter:  Application:  ventilation and air handing equipment per-filter or fresh air system per-filter.     Characteristics:  you can replacement the air filter by yourself, usually the cardboard air filter is disposable type. 2: Pleats air filter:           Application: ventilation system per-filter, electric, pharmacy, food, petro oil, chemical industry, metallurgy, [...]