These injection-molded polyethylene container feature a strong, durable design with drainage holes for optimum soil drainage. Specifications Item Code Drainage Holes Height (in.) Top Outer Diameter ( in.) Top Inner Diameter (in.) Volume (gal.) 300 Series 6 7 6 1/2 6 0.7 600 Series 6 8 3/8 9 8 1/2 1.7 1200 Series 6 8 7/8 10 3/8 9 3/4 2.6 2000 Series 6 12 1/8 11 10 1/8 3.6 7 Gallon 6 14 1/2 12 3/4 N/A 6.24