Grohe 27521EN0 Brushed Nickel Tempesta 24" Cosmopolitan Shower Bar. The Tempesta Collection by Grohe features a crisp, cylindrical design that's elegant and distinctive. The Tempesta Cosmopolitan Shower Products are the perfect choice for modern performance in your homes bathroom. The Grohe 27521EN0 Brushed Nickel Tempesta Cosmopolitan Shower Bar is designed to coordinate with the Tempesta Cosmopolitan Hand Showers and Shower Heads. This 24" Shower Bar provides user with the ability to hold the hand shower in place, and position it high or low and anywhere in between. This Shower Bar features a LifeShine Brushed Nickel Finish designed to last the life the product.