The Grav 14mm Octobowl delivers precision engineering with its distinctive octagonal design, crafted from borosilicate glass for durability and heat resistance. The 14mm joint size ensures compatibility with standard water pipes and rigs. Its geometric shape maximizes bowl capacity while maintaining optimal airflow dynamics. The thick-walled construction withstands repeated use, making it a reliable choice for discerning users who demand quality glassware. A functional addition to any collection.