EnviroSupply Premium 4mm Pellet Virgin Bituminous Coal Activated Carbon Charcoal - Resealable 1 lb. Bag (455g) Free Shipping - Usually Ships Out Same Day if Ordered M-F Before 2PM (PST)Free Shipping - Usually Ships Out Same Day if Ordered M-F Before 2PM (PST) 4mm Pellet Coal is Suitable for the Removal of a Wide Range of Organic Pollutants in the Vapor Phase High Activity Product - Predominately Microporous Good Resistance to Attrition - High Organic Removal Capacity Wide Range of Pellet Diameters