(Polyether and polyester) aperture (15ppi-60ppi), color (black, yellow, green, etc.), hardness and size of the filter sponge.

Sponge hole rate of more than 99%, and the polyester-based foam has excellent oil resistance, wear-resistance performance.

A. 15ppi,20ppi,25ppi,30ppi,35ppi,40ppi,60ppi.
B. black, yellow, blue colors
C. shape and size by demend