With a fresh, new look, the PUR PLUS Water Pitcher & Dispenser Replacement Filter still reduces 3x more chemical & physical substances compared to Brita's leading pitcher filter through its powerful 3-in-1 genuine PUR filtration technology. 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. To continuously enjoy, cleaner, better tasting drinking water, remember to change your PUR PLUS Water Pitcher & Dispenser Replacement Filter every 2 months or after 40 gallons of use.