API-specific filter cardboardThis product is applied to medicine (withholding solid and activated carbon) liquid filtration products, bacteria and other foreign matter does not decompose in the temperature, all the fine filtered out, so that products meet the clear, transparent, sterile. Plates can be reused two times, use of renewable means to conduct counter-flushing, so that the separation of adsorbed material completely out of filter, so as to achieve the purpose of re-use.