These three adapters help connect the cleaner, CPAP machine, or other accessories and make it possible to sanitize them at the same time.
They fit 15mm and 22mm diameter holes.
Universal CPAP Tubing Connector 22mm O.D. X 22 mm I.D.
Heated Tubing Connector 22mm O.D. X 22 mm I.D.
Air Mini Tubing Connector 15mm O.D. X 22 mm I.D.