6" Polished Carbonation Stone, 1/4" NPT (1.5" TC)

This professional-grade 6" polished sintered core 1.0 micron carbonation stone with 1/4" NPT fitting unleashes a steady stream of CO2 into your brew, allowing you to fine-tune carbonation to perfection. The high-polish finish significantly improves sanitization and cleanability compared to unpolished stones. The optional ball valve, hose barb, and/or ball-lock gas post make connecting your tank a snap so you can start carbing in seconds. Built to stand up to the demands of commercial brewing, this carb stone delivers precision and power in one compact, easy-to-use package.