The unique new shape of the Maxtra filter delivers consistent filter flow rate over the life of the filter;Filter micro-screen reduces release of carbon particle black bits into system;No pre-soaking required to activate filter, saving 20 minutes for filter exchange;Contains silver to provide antimicrobial protection and extend filter life; BPA FREE;MAVEA offers a comprehensive filter take-back and recycling program; simply download a shipment label and drop filters in the mail