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How to choose the pre filter and secondary filter?

How to choose the pre filter and secondary filter? Date: 2017-04-25

Mini peated HEPA filter is quite different with pleated HEPA filter, HEPA filter is mainly used to capture dust particles of 0.5um or below, it is composed of filter media and frame

How to choose the right air filter?

How to choose the right air filter? Date: 2017-04-25

Mini peated HEPA filter is quite different with pleated HEPA filter, HEPA filter is mainly used to capture dust particles of 0.5um or below, it is composed of filter media and frame