QUARTZ NANOTECH Reinforced membrane shower screen with 200 µm filtering capacity Suitable for Nuova Simonelli and Rancilio models SHAPE EXTERNAL DIAMETER: 57,5 mm INTERNAL DIAMETER: 55,5 mm WALL HEIGHT: 4,4 mm CENTRAL HOLE: 6 mm BLOCKING TECHNOLOGY Caulking: The membrane is fixed to the body of the shower and the support disk by bending. SUPPORT DISC PERFORATION THICKNESS: 0,8 mm PERFORATIONS: Ø 2,2 mm, 121 holes DISTRIBUTION: Circular