Is a framework of metal bars or wire which is placed in front of something. Often a terminal unit for delivering supply air to a room or for collecting extract air from a room.
Is a framework of metal bars or wire which is placed in front of something. Often a terminal unit for delivering supply air to a room or for collecting extract air from a room.
Is a framework of metal bars or wire which is placed in front of something. Often a terminal unit for delivering supply air to a room or for collecting extract air from a room.