and brown/amber coloring

2 inches) sizes

you know it came with replaceable filter cartridges

Find the perfect partner for your piece in our Bongs & Water Pipes section

works with concentrates and dry herb (with compatible coil)

Croia Glass 15" Scientific Glass Bong with Tree Perc & Spiral Cooling | Croia Glass Fits Water Pipes with 14.5mm Female Joints and brown/amber coloring15" Scientific Glass Bong with Tree Perc & Spiral Cooling Croia Glass The Croia Glass 15 inch scientific glass bong blends advanced filtration engineering with a striking mechanical aesthetic. Built from premium borosilicate glass, this design combines a multi arm tree percolator, an internal spiral cooling coil, and a recycler inspired chamber layout that guides smoke through multiple cooling stages. The result is a visually dynamic bong that