1、Products：

    active-carbon  sponge  filter by somke-instruments is made of the    

highly adsorbing ability active-carbon,which is dipped into the urethane

foam and formed sheet shape together.   Made of multi-hole urethane, the

ventilation ability is perfect and stable. It has a large touching area,

great adsorption speed and high efficiency, as the touch is between the

active-carbon and the adsorption material. The dust collecting effect of

it is equal to that of usual urethane

2、Specification

    1、130 ×130 ×10mm

    2、120 ×120 ×10mm

    3、100 ×100 ×10mm