Review (3/5): Best device in its class
Best device in its class. No power, or batteries involved. Just works with water pressure. The previous one I had was power operated and cost $70 but eventually lost pressure gradually but still usable. And so it was replaced with this cheaper but better one. However, be careful twisting the silver filter device onto your faucet because it's so sharp it will cut your hand in several places. Make sure to use real gloves and not plastic to twist it onto your faucet. Once it's fitted you don't need to take it off. You can still use your faucet normally for everything else. One star less because of the cuts sustained from the abnormal sharpness of the silver fitting. And a second for not replying to my request for a fitting device for a second faucet not equipped for screwing other attachments to it. Good luck