The Bio Hazard Glass Bong is made out of high-quality borosilicate glass. The straight bong is 32 cm in height and contains a double gun barrel with a wheel percolator, a system to produce a well filtered and better cooled down smoke. Your favourite herbs will beg to get a one way ticket to the fitting flower bowl design. Bio Hazard's unique and quality design for an optimal smoking experience, delivering a thick and strong hitting smoke every time!