StormDrain FSD-060-A 6" Green Atrium Catch Basin Drain Grate Durable polypropylene green 6" atrium grate For use in areas where floating debris would block a standard flat grate Measures: 6.75" L x 6.75" W x 5" H with an open area of 15" sq inches UV inhibitors to eliminate sun damage Made in the USA - Lifetime Warranty