This is Aquascape's Double Textured Basalt Cored Water Columns. We have a wide selection of Fountains & Pond Decor/Stone (Columns & Fountains) and other water features from Aquascape.
Manufacturer's Description
Double Textured Basalt Cored Water Columns. To complete system, use AquaBasin Small, AquaBasin Ultra Pump Kit 2000 GPH and AquaBasin 3-Piece Plumbing Kit.