New sealed The PurePlus WFS5300A 22000 Gal NSF/ANSI 42 Certified Under Sink Water Filter System is a high-capacity water filtration system designed to provide clean and safe drinking water for your household. With a capacity of 22000 gallons, this white filter system from PurePlus is certified by NSF/ANSI 42 for reliability and effectiveness. The model WFS5300A is compatible with PurePlus systems and offers a convenient solution for improving the taste and quality of your tap water.