NDS 18 inch square 2-hole catch basin is ideal for yard or area drains to collect surface water while minimizing the amount of debris entering the system. Tapered catch basin, requires either 1206, 1243, 1245, 1266 universal outlet for each opening. NDS Brings to you high quality Basins, Grates, and Risers for all of your drainage needs. All NDS grates are designed to withstand normal abuse in landscaping applications. Installed properly, 9 in. x 9 in., 12 in. x 12 in., and 18 in. x 18 in. grates are suitable for light vehicular traffic. All NDS catch basins are suitable for both landscape and hardscape applications.