Planter 50 x 20 x 16 consists of a removable culture tank vented plastic. The peat allows upwelling of water at the roots, which promotes the growth of plants. The tray serves as a reserve of water (3.5 L). There is a model to float for automatic filling when l is connected to a faucet. When we connect several planters together, Sphagnum moss, capillarity, to distribute water in each of them. You can use a plug to stop the connection and separate.