The Flo-n-Gro Blue Bucket features food grade plastic, safe for you and your plants. At 4 gallons, it has plenty of space to grow your favorite plants. It's unique space saving design makes it easy to fit into any room or system. Dimensions: 9.5 in W x 9.5 in L x 13.5 in D. Compatible with the Ebb & Flow 6 & 12 site Systems and Drip-n-Gro System. Does not include 3/4 in grommet. Use with Tub Outlet Tee Fitting #747186 and Black Mesh Insert #707640 both sold separately. 0.835 inch hole pre-drilled in bucket.