This green, square 8-in. plastic grate is part of the Bullet Pit(TM) system by Reln. It is designed to easily connect to the single or double outlet basins part of this collection and can be used in near foundations, in gardens or in the lawn. This drainage system is ideal for low-lying zones such as large lawn spaces, gardens or landscaped areas. This product is backed by a 1-year limited warranty.