The PURELINE Refrigerator Water Filter PP-RWF3300A is a single-pack water filter designed for use in refrigerators. It is compatible with the WF2CB model and is brand new and sealed. Specifically made for providing clean and fresh drinking water by effectively filtering out impurities, this water filter ensures that you have access to high-quality drinking water directly from your fridge. Perfect for ensuring your family's hydration needs are met with clean and safe water, the PURELINE water filter is a reliable choice for maintaining a healthy lifestyle.