air curtain unit benefits:Dolphy understands that there are environments in which it is not desirable to see the air curtain unit â?? such as period buildings or those where the designers and architects prefer a hidden (in-wall or in-ceiling) air curtain unit â?? that nonetheless require genuine air handling. A discreet air curtain unit that is ideal for recessed use, the Airscreen Type C air curtain unit provides exceptional performance whilst minimising the impact on the building appearance. Dolphy specialise in providing the convenience of sophisticated modern technology while preserving the peace of mind of designers and the aesthetics of the space. The Airscreen Type C air curtain unit is also easy to service, with all internal components accessible via the return grille for swift and easy maintenance.