This downstem is made for 14mm bowls

These percs work together to deliver extreme cooling and silkiness to each hit

rendering it not just a smoking accessory but a fun conversation starter as well

While it might appear to reach the low battery at two bars

Two filtration methods

Heavy Worked Hammer Bubbler Pipe F13 This downstem is made forThe Heavy Worked Hammer Style Bubbler is sturdy and ready to become your next daily driver. This thick borosilicate glass pipe has a perc chamber for filtering smoke through water. Features a colorful fritted glass design and a donut shape in the stem that helps prevent splashback. Measures 7. 5 inches (19cm) long.