This Mongolian Basalt kit includes three columns constructed from real Mongolian Basalt.  This hand crafted, stone water feature is easy to install and is extremely durable.  The included AquaBasin® 45 is a sub-surface water basin that is able to 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.