The PUR Plus Water Pitcher & Dispenser Replacement Filter reduces 3x more chemical & physical substances compared to Brita's leading pitcher filter* through its powerful 3-in-1 genuine PUR filtration technology. These easy-to-change water filters for pitchers are WQA certified to reduce lead. It has also been rigorously tested and certified by NSF to reduce microplastics, chlorine, mercury, copper, zinc and other chemical & physical substances*** that can cause bad taste and odor in your everyday drinking. Did you also know that the PUR Plus pitcher and dispenser replacement filter can help save you up to $75 per month compared to bottled water.** To continuously enjoy better tasting, clean drinking water, remember to change your PUR Plus Water Pitcher & Dispenser replacement water filters (PPF951K) every 2 months or after 40 gallons of use. Be cautious of 'off-brand' water filters . These water pitcher filters are not tested nor certified to filter the same as Genuine PUR Plus Water Pitcher & Dispenser Replacement Filters in PUR and Beautiful by PUR systems. Genuine PUR PLUS filters are the only water filters certified to reduce chemical & physical substances when used with your PUR Plus or Beautiful by PUR pitcher or dispenser system. At PUR, we believe that everyone deserves cleaner, better-tasting drinking water. That's why we've been developing innovative, superior water filtration technologies for over 35 years. Disclaimers: *Versus best-selling Brita® pitcher water filters OB03. Brita® is a trademark of Brita LP. **Based on comparing a year's worth of bottled water (16.9 oz) to a 6 PUR pitcher filters. Based on Nielsen US Scantrak sales. ***Like other leading brands, PUR does not filter microbes. As of 2/1/24 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC.