Roto-M is your best safeguard for good hypoid gear lubrication . It is a heavy -duty , high-viscosity blend, formulated specifically for the gear boxes on Atlas Copco MD absorption air dryers. 

Roto-M provides the high film strength required in hypoid gear applications. It minimizes wear and tear and guarantees optimum lubrication of the MD worm gear drive , under all operating conditions. Its superior reliability translates into maximum equipment uptime.