The Replacement Percola Water Filter PCL-33 is a 2-pieces carbon/charcoal filter designed for removing chlorine taste and odor from your Sub-Zero refrigerator. It is compatible with models like Swif, Sub-Zero 4204490, and PRO 48. The filter carries a 3-month manufacturer warranty and is specifically crafted to capture chlorine taste and odor contaminants. This generic brand water filter is essential for maintaining clean and refreshing water in your refrigerator, ensuring a pleasant drinking experience.