Pulsar Gravity Fed BongThe Gravity Fed Bong features an open cyclone drain that pours water out the bottom, through open air and back into the perc chamber below. The water only drains when the user is not inhaling. Completely designed to prevent unwanted splashback. Stands 12. 5 inches (31. 75 cm) tall and comes with a glass herb slide. HIGHLIGHTS 12. 5 inch (31. 75 cm) glass water pipe 14mm female joint Durable borosilicate glass Open cyclone drain Disc style perc Well