Overnight sleeper mechanism, but it is deep cavity version which means it takes 15cm thickness of sleeper mattress for better quality of sleeping.
The seat will be 1 inch higher than standard cavity mechanism 2500 sereis.
The new updated version is N2700# which you can't feel the metal cross bar to reduce the backache in sleeping position.
27XX, XX means 72,68,60,44,40,33 (King,Queen,Full,Twin,Mini Twin and Single).
We now offer air breath and fire-proof new deck material for better sitting and sleeping.