... used in insole for medium and top grade shoes, case, sport equipment etc. Advantage: washable, eco-friendly, breathable, durable, antibactreial, ... ): is suitable for furniture factory, shoe factory and filter equipment etc.9)ANTI-FIRE FOAM: meet the USA standard, ... alkalifast, Flexible,good tensile7)Use: filter dust, air, liquid, equipment filter etc. 25ppi Mesh Foam/Filter Sponge 25ppi Mesh Foam ...