The Greek Glass Inverted 4 Tube Bong is a precision-crafted straight tube designed for smooth, high-flow performance. At its core is the Invert 4 Gridded Perc, engineered to diffuse smoke into ultra-fine bubbles for cool, flavorful hits. This piece features a 51 mm diameter body and a 32 mm neck, offering a solid grip and open airflow from top to bottom.

With a 15.75-inch height and 18 mm premium ground joint, it balances size, filtration, and durability. The gridded perc delivers superior stacking, while the weighted build adds extra stability.

• Invert 4 Gridded Perc – high-diffusion percolator for smooth draws

• 18 mm male joint – fits standard bowls and accessories

• 51 mm wide body / 32 mm neck – open airflow and comfortable handling

• ~15.75″ tall – ideal height for daily use

• Dry weight: 1 lb 10 oz – thick, durable borosilicate glass

• Crafted by Greek Glass – known for clean welds and consistent function