This aero rain shower injects air into each droplet to provide a luxurious showering experience.Aero-Jet technology Rubber nozzles to prevent limescale build up Premier finishing process finishes will resist corrosion and tarnishing through everyday use Designed to easily install with standard U.S. plumbing connectionsApproved for Commercial Use: Yes Connection Size: 0.5 Diameter: 12 Flow Rate (GPM): 2 Function: Single Material: Brass Showerhead Shape: Round Showerhead Width: 12 Spray Pattern: Rain Spray Settings: 1 Style: Modern Weight: 8.5