The development of the nozzle was based on the mechanics of the human body. No unnecessary strength is needed when operating this nozzle. It can be operated with one hand and non-slip soft rubber elements on handle and lever ensure optimum grip, even with wet hands. The nozzle has five continuously selectable spray patterns. The amount of water can be adjusted using your thumb. The shower head of the Premium Nozzle (Scrub Type) with its cone-shaped holes is perfectly suitable for extensive cleaning purposes.