Vortopt Tap Water Filter for Sink sells on Amazon. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

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• 𝐂𝐄𝐑𝐓𝐈𝐅𝐈𝐄𝐃 𝟓-𝐒𝐓𝐀𝐆𝐄 𝐅𝐈𝐋𝐓𝐑𝐀𝐓𝐈𝐎𝐍: Enjoy fresh purified water with Vortopt faucet mount water filter. With purification to 0.2um, the filter is NSF certified to reduce 99% comtaminants such as rust, sediments, chlorine, lead, odor and improve taste, making your water clean and healthy. (Not for reducing TDS)
• 𝐒𝐀𝐕𝐄 𝐘𝐎𝐔𝐑 𝐖𝐀𝐓𝐄𝐑 𝐁𝐈𝐋𝐋𝐒: 1 filter can replace 3,028 plastic bottles (16.9oz each). You only need to change the filter every 4-5 months. There are 2 water modes between raw water and purified water for choice to prolong the filter life.
• 𝐄𝐀𝐒𝐘 𝐓𝐎 𝐈𝐍𝐒𝐓𝐀𝐋𝐋: With the product video and instruction, you can easily install the faucet filter in minutes. The package comes with 5 adapters ( 0.87″ & 0.94″ internal threads, 0.87″ & 0.94″ external threads, and a multifunctional adapter), which fits most standard faucets. The 4th and 5th image details the compatibility of this sink faucet filter. Please read the picture carefully before buying to make sure this product is suitable for your faucet.