The invisible function of the invisible floor drain is usually reflected in the design and structure of the floor drain itself. The goal of an invisible floor drain is to provide effective drainage without being noticeable or obtrusive in the space in which it is installed.

Invisible floor drains are usually designed to be low profile and have minimal visual impact. They may be made of a material that blends in with the surrounding floor, or have a trim cover that matches the surrounding trim. Some invisible floor drains may even be designed to sit flush with the surrounding floor, making them nearly impossible to spot.

In addition to the physical design, the invisible function of the invisible floor drain is also reflected in its performance. A well-designed invisible floor drain will effectively trap and remove water and debris from floor surfaces without causing pooling or clogging. This ensures that the drain is not only visually unobtrusive but also performs efficiently and effectively in its role as a drainage system.