The Classic and Pearl powders are cleaned using a 4 % acetic acid aqueous solution.The Perio powder is cleaned using a 27 % ethanol aqueous solution.9.2 Lubricating O-ringsAfter a certain time, the O-rings on the AIR-N-GO® easy body may dry out and become defective. They should belubricated with the silicone grease supplied by Acteon as follows:l Remove the AIR-N-GO® easy body and the nozzlel Pour a drop of silicone grease into a small cupl Using the brush provided, take a small amount of this grease and spread it over the O-rings indicatedPage 22/40 - User Manual | AIR-N-GO® easy | J10121 | V8 | (11) | 03/2018 | ND27EN050H