Special carbon air filter media: 1.High-carbon amount, 2.No peculiar smell, 3.Good permeability, 4.Coal-based carbon Activated Charcoal Cloth: Polyester non ... woven bonded two sides, adopt the high quality of activated carbon particle, the imported and qualified non-woven fiber. Tidy ... Collection400g/M2Tensile Strength>=200N/5CMHeat Resistance>150 centigrade Special activated carbon air filter paper