Rain Bird Square Low-Profile Basins

Manufactured from High-Impact Polystyrene (HIPS). UV stabilized to protect from sun degradation. One bottom outlet designed to accept all Basin Adapters. Use a 3" and 4" Basin Adapter to connect to 3" or 4" Corrugated Pipe and 3" or 4" Triple Wall Pipe. Use a 6" Basin Adapter to connect to 6" PVC Pipe (ASTM D2729 and ASTM D3034, SDR 35) and 6" Corrugated Pipe. Accepts 9" and 12" Square Flat Grates. Accepts 9" and 12" Square Atrium Grates. Includes two screw holes to enable grates to be secured to Low-Profile Basin. Made in the USA.