Storm Drain FSD-094-K 9-Inch Square Catch Basin Kit with Grate Square catch basin with two open side outlets Two additional side knock-outs and one bottom knock-out for a total of five possible outlets Fits 3-in or 4-in sewer and drain pipe and fittings, corrugated pipe and Sch 40 PVC Catch basin kit includes double outlet catch basin, grate, 2 universal adapters, debris trap and 1 plug Use to collect medium volume water flows from wet areas in yards, lawns, and sports fields.