Each PUR water filter is certified to reduce Mercury and certain industrial pollutants, as well as reducing chlorine (taste and odor) and more 1. PUR faucet filtration systems are certified to reduce 70 contaminants, including Lead, Mercury and certain pesticides 1. Certified to reduce lead and 10x more contaminants that Brita's leading pitcher 1 2. As the #1 selling brand in faucet filtration 3, the included Mineral Core technology filter filters water over natural minerals for a crisp, refreshing taste. PUR has been developing innovative technologies for superior water filtration for over 30 years. PUR Advanced Coconut Shell Carbon Chrome Faucet Mount Filter | PFM400HAV1R1F