The Aquascape Mongolian Basalt Columns Set of 3 Landscape Fountain Kit bundles the perfect combination of products, providing a unique, easy-to-install kit that includes everything you need to create an impressive, recirculating, three-piece basalt fountain. Three columns are included, measuring 24\", 30\", and 36\" in height. Each column is constructed of real Mongolian basalt. They are extremely durable and crafted to provide a one-of-a-kind stone water feature. The included AquaBasin® 45 is a sub-surface water basin that can store up to 98 gallons of water, significantly minimizing maintenance. Constructed of professional-grade, high-density polyethylene and backed by a lifetime warranty, the basin will provide features and benefits that eliminate guesswork, improve water circulation, and increase accessibility. An extremely energy-efficient Ultra Water Pump is included to circulate the water through the fountain, and the included pipe, foam sealant, and fittings make installation easier than ever.