MIXX 11RSA02M WaterMark Matcha 380mm Matt Black Round High Rise Shower ArmOverview Mixx 11RSA02M Matcha 380mm Matt Black High Rise Shower Arm. This high rise shower arm is intended to be mounted from the wall and to be connected to a shower head. Watermark approved and in accordance with all relevant Australian Standards and guidelines. Matching Mixx shower heads are sold separately. Different style shower heads and shower arms can be connected interchangeably. Visit our store to further explore our range of Mixx products.