Replacement timer knob for Katana Facial Steamer With Aroma Therapy (SKU18422) and Euro Facial Steamer With Aroma Therapy + LED Magnifying Lamp (SKU18421). This control knob restores accurate use of the built-in timer, helping staff maintain consistent steam exposure times during facial and aroma therapy treatments. Intended as a direct replacement component to keep existing Katana and Euro steamers in service, supporting reliable daily operation in spas, salons, medical spas, and clinic treatment rooms. Read more