Air filters are classified according to the filtration level: primary effect air filter, intermediate effect air filter, high efficiency air filter.

Primary Air Filters are generally used for dust removal and filtering, high-temperature ovens in automobile coating plants and other industries; intermediate effect air filters are generally used for central air conditioning and centralized ventilation systems and other industries; high-efficiency air filters are generally used for clean projects in various industries As well as air-conditioning and technical air supply systems with special requirements.

D.king's air filters are lightweight and environmentally friendly. Low resistance, large filtering area and large air volume. long lasting. In particular, high-efficiency air filters have exclusive vForm pleating technology, MERV 8 performance level, self-supporting pleats do not require metal reinforcement, its low airflow resistance can reduce energy costs, and the moisture-proof beverage board frame can be completely incinerated. Is the best choice to buy air filters.