The walnut shell are typically crushed into granules of different sizes that can be customized according to the customers' solutions. to create a filter media with a high surface area. Walnut shell filter media is commonly used in various industries, including automotive, manufacturing, and oil and gas, for the removal of oil and other contaminants from liquids.

Walnut Shell Filter Media are a versatile abrasive media widely used in blasting, tumbling, cleaning, polishing, filtration, cosmetics, as well as non-skid applications and filler applications. Walnut shell media are crushed, ground and classified to standard mesh sizes that range from coarse grio fine powders. Walnut shell performs well in a variety of pH and temperature conditions and are resistant to fermentation. They are reusable and reclaimable and thus serve as a suitable blast media in outdoor applications.