Description: - A standard for every shower head, Use for Shower Head, Hand Shower, or Bidet Sprayer. - Easy to fit between shower hose and shower head. No more constant drip, drip out of pace with tick of the clock too. - Easy to install and quite discrete, the switch moves easily.. - Better to play it safe and turn the taps off in every case and on top of that. - Can be used as shut-off valve or water saver valve, Installed between the shower arm and the shower. - If your unvented boiler caused super high shower pressure and a lot of water, then install it to save your electricity fee and water bills.