With the release of our Lock Seal Inlet (LSI), Precision Glassblowing offers an advanced O-ring free option available on any spray chamber, borosilicate or quartz. The inert PFA compression fitting consistently provides a gas-tight seal and ensures your nebulizer stays locked in position every time. Optimize it, lock it, and leave it. Released in 2014, customers have continually expressed satisfaction with the simplicity and effectiveness after converting from alternative designs. Try it today!