Spec Sheet We offer a complete line of catch basins and grates for residential and commercial storm water management solutions. NDS catch basins have a sump area that collects debris and prevents clogging of the pipeline. Use our compact 6" round Spee-D basins to collect runoff water while its sump area collects debris and prevents clogging. NDS 6" Spee-D basins use our versatile basins in conjunction with our NDS atrium, round, or square grates, and also with our 6" Pop-up emitters to resolve drainage problems in landscape areas, planter beds, or window wells. Features Used with plastic, brass, or cast iron grates Number of Outlets: 1 Fits 4" SCH 40 pipe and 3" and 4" sewer and drain pipe, corrugated pipe, or triple-wall pipe Locking outlet for corrugated pipe Compact size for easy installation Sump area collects debris to prevent clogging Black Styrene Use with grates or Pop-up Emitters Specification Diameter Measurement: 6" Length Measurement: 8-1/2" Fits Pipe Size: 3-in or 4-in Width (Inches): 6" Length (Inches): 8.5" Width Measurement: 6" ÿ