The MC1 RA Head is a dedicated, continuous flow, mixture control, inhalation sedation machine. 
Easy to operate with single dial mixture control.
Essential safety features include audible warning system.
Available as a fully mobile, portable system taking 2 x E size 02 cylinders and 2 x E size N2O cylinders or as a wall or cabinet mounted version, via a medical gas pipe-line.
The MC1 Head can also be mounted on a small trolley,as shown below, where piped medical gases are present.  
Manufactured in Great Britain by Cestradent McKesson
Servicing by the company