The frame of the high-efficiency air filter is made of aluminum, which has the characteristics of light weight, corrosion resistance, and high strength. The use of aluminum also helps to ensure the stability and durability of the filter in different environmental conditions. The internal filter media can choose HEPA, multi-functional carbon cloth, or other filter materials according to different purification requirements. HEPA filter material is usually used for efficient filtration of particles, while the carbon cloth can absorb gas and odor. After folding without partition, it is sealed in the aluminum frame. Two layers of plastic spraying wire mesh cover the air inlet and outlet surface so that the filter will not easily be damaged under high air flow, and will be more beautiful. Sealing strips or handles can be added to the frame of this type of filter.

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