Fitted flush with a ceiling, the only part of this unit visible is the decorative panel.(Normally 880mm x 880mm ). Smaller “ Mini Cassettes ( 600 x 600 ) OR 360deg ( Round) cassettes are also available depending on the look you wish to achieve. The advantages of installing a cassette are that the refrigerant pipework and condensate drain are all concealed in the ceiling void and can be routed up to 50M to the outdoor unit. (Depending on make ) which makes it very attractive for modern houses. A “ Retro look “ can also be achieved by suspending the unit underside of an exposed concrete slab with the pipework and drain carried in a cable tray. ( See gallery images )