Product Description The PUR Plus Vertical Faucet Mount Water Filtration System in Chrome is engineered to filter tap water and deliver superior filtration directly from your PUR water filter faucet for cleaner water and confidence in your drinking water. This kitchen sink water filter uses PUR’s powerful 3-in-1 filtration technology that reduces 10x more chemical & physical substances than Brita’s leading pitcher filter.* PUR is the only water filter for sink faucet brand certified by WQA and NSF to reduce 70 chemical & physical substances, including lead, for improved water taste and better drinking water. These water filters support contaminant removal and help reduce chlorine for everyday drinking. No tools are necessary—simply click the PUR Plus water filter system onto your faucet for on-demand filtration. An on/off lever lets you switch from non-filtered to filtered water, and a filter change light indicates when to replace your Genuine PUR Plus Faucet Mount Replacement Filter. Disclaimers: *Versus best-selling Brita pitcher filter OB03. Brita is a trademark of Brita LP. §Like other leading brands, PUR doesn't filter microbes. As of 7/1/23 Brita and ZeroWater were not certified to filter microbes. Brita is a trademark of Brita LP. ZeroWater is a trademark of Zero Technologies . From the Manufacturer PUR 3-Stage Vertical Chrome Faucet Mount FM-3700B Includes 1 faucet mount and 1 filter