Clean Walnut Shell sand for Filtering

Clean Walnut Shell sand for Filtering WALNUT SHELL FILTER MEDIA Walnut shell filter media is new generation of light filtering material instead of silica sand filtering medium. Walnut shell filter media is normally used into water treatment equipment in petroleum company or refinery enterprise to improve water quality and reduce water treatment costs greatly. Walnut shell filter media adopts good quality walnut shells as raw materials, after producing processes of breaking up