HELSTA® Activated Carbon Faucet Water Filters Universal Interface Home Kitchen Faucet Tap Water Tap filter Multilayer Clean Purifier Filter Cartridge Five Layer Water Filter About this item ✔ Faucet Water Filter: Built-in layered filter can separate coconut activated carbon, zeolite, PVA non-woven fabrics, calcium sulfite and rubber, which applys to purify hard water and well…