Twenties Collection 5-Hole Downstem 90mm | ClearThe Jane West Twenties Collection Downstem is 90 mm long, made of solid borosilicate glass, and has frosted joints for a firm fit and improved seal. Crafted to enhance airflow, the downstem features five diffusing holes that percolate the smoke as it passes through water. This percolation increases the surface area, cooling the smoke to better filter out impurities, resulting in a cleaner and smoother inhalation. This durable, removable downstem is