Grav Labs Gravitron Gravity Pipe

🌪️ The Gravitron® – The Original Glass Gravity Bong, Reinvented Available in Medium (9") and Large (11") First released in 2004 and perfected over the years, the Gravitron® by GRAV is the world’s first and finest all-glass gravity bong. Available in two sizes—Medium (9") for personal sessions and Large (11") for party-ready rips—this sleek, high-performance piece uses gravity and pressure to deliver thick, potent hits with zero waste. Unlike makeshift gravity bongs made from bottles and buckets, the Gravitron is all class. No plastic. No mess. Just scientifically engineered glass, airtight design, and powerful, efficient performance. 🔍 Features & Benefits All-Glass Build: Both sizes are crafted from 5mm thick borosilicate glass—extra-durable and heat resistant. Closed System Design: Smoke stays fully contained in the chamber, ensuring maximum efficiency and zero loss. Platinum-Cured Silicone Grommet: Protects glass-on-glass contact at the base and ensures a secure, airtigh