The side extension is compatable with both the Ace Air Pro and the Club Air Pro Range of awnings.
The extensions create extra room to either side of the awning that can be used either as more living space or you can hang an inner tent for sleeping for extra guests.
These extensions work on all the below Dometic inflatable awnings.
Club Air Pro 260, 330, 390 and 440
Ace Air Pro 400 and 500
Looking for Grande extensions? Click Here for Grande extensions.