Each LifeStraw Home activated carbon + ion exchange replacement filter reduces lead, mercury, microplastics, PFAS (forever chemicals), chlorine, and 30+ contaminants while drastically improving the taste of your tap water. Live sustainably and avoid plastic water bottle waste do good for your household and the world. Your purchase has an impact: one product, one child, and one year of safe water. The filters have a long shelf life and are easy to replace, making them a great choice for those who want to ensure that their water is safe to drink.