The ZERO WATER ZR-001 Replacement Ion Exchange 16 Gal SINGLE Water Filter is a BPA-free water filter designed for use with ZeroWater systems. With a 5-stage filtration method that includes carbon/charcoal, this filter effectively removes lead contaminants and provides clean, safe water for both commercial and household use. Made of plastic and with a capacity of 16 gallons, this filter is durable and efficient in purifying water. The compact size of 7 inches in depth, height, and 4 inches in width makes it easy to handle and store. Created by the trusted brand ZeroWater, this filter is a reliable choice for maintaining clean and healthy water in your home.