Jones Stephens has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. If you need it, we got it. This 12 in. x 12 in. Cast-Iron Grate is a square cesspool grate. This grate feature cast-iron construction that is durable and long lasting. This square grate measures 12 in. on each side and is finished in black.