Ltpgtthe solo plus range from vent axia has been specially designed for through the wall and ducted applications suitable for internal bathrooms toilets and other small rooms finished in white the solo plus can be flush or surface mounted with a 2 position 100mm circular spigot for rear entry or connecting to a vertical ducting systemltpgt ltpgtdepending on the model the fan will switch from trickle if selected to boost medium or high via the pullcordlight switchhumidit