F3S self-closing straight-way valve DN 15 for in-wall mounting with noise-reducing styrene cladding, for shower facilities. Self-closing functional part, hydraulically controlled, piston-free design, self-closing, stepless adjustment of flow duration. For connection to pre-mixed hot water or cold water. Casing including changeable valve seat, with internal thread G 1/2, visible parts high-polished, chromium-plated brass. With rosette, depth adjustability 15 mm.