NDS-1804 18 " x 18" Four-Outlet Expandable Catch Basin:
Includes: (4) Basin Sides with 6" or 8" openings,(1) Basin Bottom and (4) Reducer Rings. **Assembly required**
(NOTE: Use roof tar or silicon to seal joints.)
Use with NDS-1206, NDS-1243, NDS-124, NDS-1266 or NDS-1889 Universal Outlets.
** BEFORE installing a drainage system, please check your local codes and regulations and install accordingly. **