Hinged Trisquare Diffuser was mainly used as a outer cover for air-conditioner (indoor unit), in order to match with the entire interior decoration. The removable core design allows users easy to remove and clean the indoor unit.

Trisquare Diffuser applied the same principle from Linear Diffuser with Removable core, Meanwhile, it has narrow flange width and the height of the diffuser, simplify the appearance of diffuser.