Nano-Puru Shower Head Premium, offering 70% water saving, cleans pores, and comes with a 2-year warranty. - Model Name: Nano-Puru Shower Head Premium - Water Saving Rate: 70% - Warranty Period: 2-year warranty - Usage Time: 1.2 trillion Nano-Puru particles in 15 minutes - Features: Cleans pores Thank you for viewing. Purchased at Don Quijote. The warranty is also included. I used it once as a trial, but put it away immediately, so it's practically unused. Please refrain from purchasing if you are sensitive to items stored at home.