Sony Lithium CR2032 3V CMOS Single Battery

Filter and purify your water, give your family only the best and healthy water.
This faucet water filter can generate great purified water instantly and help you make the best tasting coffee and tea.
Switches between filtrated water and tap water flexibly using Nano-KDF technology to inhibit the growth of bacteria.
The ceramic filtering cartridge can be cleaned easily and used over again. You can see how much dirt it has removed for you.