4-Gallon H2OtoGro® Hydroponic Bubbler Deep Water Culture Grow System ~ Grow herbs, flowers, fruits and vegetables all year round! Series: 4-Site Type: Bubbler Shape: Rectanguar Number Of Cell: 4 Material: 100% Food Grade Polyethylene Number Of Package: 1 Size: 17 x 13 x 7.5 Weight: 10