Storm Drain FSD-124-K 12" Square Catch Basin Kit With Grate Square catch basin w/ two open side outlets and removable debris trap Two additional side knock-outs and one bottom knock-out for a total of five possible outlets Size: 12.5" x 12.5" x 13" Includes: Catch Basin, Black Grate, 2 Universal Adapters, Plug and Debris Trap Use to collect medium volume water flows from wet areas in yards, lawns, and sports fields.