This 30.5 mm push-button head provides an ergonomic interface for controlling your machine.It comes with antimicrobial characteristics.It is easily installed and replaced on compatible complete push-button units and contact blocks via snap-fit assembly.It is clearly distinguishable visually at a distance thanks to its clear color and marking.It is vibration resistant, impact resistant, high pressure washer resistant and dust resistant thanks to its IP69 protection, making it ideal for operation in harsh environments.