Filter Sock, Color Blue, Composition Activated Carbon Filler with Polypropylene Outer Mesh, Recycled Fiber Mat, Zeolite, Filler Material Recycled Fiber Mat; Zeolite; Activated Carbon, Filtration Capacity Oil Capacity: 4.5 gal, Length 10 ft, Max. Flow Rate 20 gpm, Oil Capacity/EA 4.5 gal, Oil Capacity/Pack 4.5 gal, Outer Mesh Material Polypropylene, Outside Skin Material Polypropylene, Product Type Filter Sock, Recycled Content ( Percent) 85 Percent, Series FLT WARNING: This product can expose you to chemicals including Silica, crystalline, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov. -