The PUR PLUS Water Pitcher & Dispenser Replacement Filter (PPF951K) reduces 3x more chemical & physical substances compared to Brita's leading pitcher filter* through its powerful 3-in-1 genuine PUR filtration technology. This easy-to-change replacement water filter is 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 drinking water. 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, cleaner, better tasting drinking water, remember to change your PUR PLUS Water Pitcher & Dispenser Replacement Filter (PPF951K(TM)) every 2 months or after 40 gallons of use. Be cautious of 'off-brand' water filters. They 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 water 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.