Experience durability and smooth performance with the 18" 9mm Marley Clear Tree Beaker. This heavy-duty bong features a sturdy 9mm thick glass construction, ensuring long-lasting use. The tree percolator delivers excellent filtration, providing clean and smooth hits every time. Its classic beaker design offers stability and an elegant, clear finish for a sleek look. Specifications: Height: 18 inches Glass Thickness: 9mm durable borosilicate glass Perc Type: Tree percolator for enhanced filtration Design: Classic beaker style with a clear finish Functionality: Stable base and smooth, filtered hits