Rain shower: the spray type rain pampers day after day (1 spray) Shower pleasure: the 8-inch shower head pampers with even, lush water flow (XXL performance) Saves money, protects the environment: This shower head uses max. 1.75 gallons per minute. (EcoRight) Like new for longer: limescale can be easily wiped off the silicone nozzles on the shower head (QuickClean) Recommended part: A shower arm (9-inch, #04186823) is required for installation.