Tranquil Décor Natural Top Basalt Columns have unmatched simple beauty. Perfect for creating a bubbling feature in a landscape or indoors, these columns will provide years of enjoyment. Each column is core drilled with 1.25" (32mm) hole from end to end, the last 1.5" is enlarged to 1.375" (37mm) to house optional light rings (not included). Natural cut sides with natural finished top make for a beautiful display even if the pump is off!
Recommended flow rate of 200-400gph per column
Ideal for use with FBL40 or FBL48 basins (requires concrete blocks for weight support)