The PuriClean II Water Filter Cartridge, model WF50, is a white plastic unit designed to fit specific Maytag, Amana, and Jenn-Air refrigerator models. It utilizes a carbon/charcoal filtration method to remove lead, chlorine taste, and odor, providing clean and safe water for household use. With a capacity of 750 gallons and a single-stage filtration system, this water filter is an essential component for maintaining a healthy and refreshing drinking water supply in your kitchen.