Algreen Greenwall Vertical Planting System with Integrated Planting Shelves Innovative and extremely durable water tight construction with 4 large planting shelves - depth of planting area is ideal for planting with soil Watering the top allows water to filter down to each plant shelf Excess water reserviour and drain to prevent over-watering Hardware included for simple/ easy and quick mounting Innovative and extremely durable water tight construction with 4 large planting shelves-depth of planting area is ideal for planting with soil Watering the top allows water to filter down to each plant shelf Excess water reserviour and drain to prevent over-watering Hardware included for simple/easy and quick mounting