Air filter sponge is also called dust filter sponge or filter sponge. Zhuoyue sponge is a professional manufacturer of filter sponge. Filter sponge not only has the advantages of general Mesh sponge, but also has the characteristics of small color change, High opening rate, good air permeability, high compressive strength and elasticity, which can be used for air filtration and liquid filtration.

  The density of air filter sponge mainly depends on PPI. PPI refers to the number of holes in an inch area. The more PPI, the denser the air filter sponge. The commonly used PPI of air filter sponge is generally divided into 8 types: 80PPI, 60PPI, 45PPI, 30PPI, 25PPI, 15PPI, 10PPI,