Circular construction made of thick, durable steel. Laminar flow reduces splashing and facilitates maintenance. The vandal-resistant (VR) and heavy-duty spout is made as a one-piece stainless steel piece. The self-reversing actuation button, located in a prominent position, is resistant to intensive use and does not require gripping or twisting. The service door is made of thick sheet steel, bolted with a design that prevents unauthorised opening. They provide access to the simple hydraulic connection system. The unit should be installed on a stable base with good drainage (recommended concrete slab). The spa has PZH certified, Safety mark B for construction products (ITB - Institute of Building Technology) and lead-free design certified to NSF/ANSI 61 and complies with regulations for lead-free devices.