Rock wool is a non-combustible inorganic material and the fire does not release toxic flue gas so that can maintain the stability of the building structure and prevent the spread of fire.
From H11 to H14 filtration efficiency, high efficiency, but low pressure drop. Composite with pp spun bond, melt blown, glass fiber, PET spun bond, for dust, pollen, mold spores, dust mites, and other allergens. Generally, it is made to panel filter, cart