Filter Media Sand Grit is the act of removing surplus or undesirable materials from a surface by projecting a grit of sand-sized particles against it with compressed air. Large volumes of dust are frequently produced during the grit blasting process by the abrasive substance being blasted. Dust in the air can hurt workers and hinder productivity. Filter Media Sand Grit is very easy to use and simple to handle. This can be easily purchased by our eminent customers, at nominal pricing.