Jiujiu medium-high efficiency filter felt is made based on the dipping of resin adhesive solution foam with PET fiber after the needling process, and the filtration efficiency is 80%-99%. The air filter felt belongs to G4 according to the European standard classification and it is mainly used in frame-plate filters, heavy truck, engineering vehicle's filter elements, compressor's air filters, gear oil filters and engine oil filters.

Jiujiu medium-high efficiency filter non-woven is easy to make, of good elasticity and solid structure and can be washed for many times. The filter cloth can be customized according to the color, width, hardness, ventilation property and filtration efficiency required by the customer.