Barcelona Tower Basin Mixer Complete any dream bathroom with Oliveri tapware that complements any style. Made from brass, to ensure durability and ability to withstand high water temperatures. The Barcelona range has a high 6 star WELS rating and low flow rate for the best combination of efficiency and functionality. FEATURES AND BENEFITS WELS Rating 6 Stars, 4.5 l/min Pressure rating (min and max) 150 kPa - 500 kPa Finish Chrome Installation Counter Cartridge size 25mm Cartridge type Ceramic Disc Cartridge (Kerox) Mixer height 314mm Water supply Mains