Product Description Keep safe, great tasting water flowing with PureSource 3 water filters — WF3CB reduces up to 99% of contaminants, cuts back on plastic and saves the cost of bottled water. NSF and WQA certified. Look for our berry-colored design with our new Genuine Filters seal on the package to know for certain your filter is authentic and sold by Frigidaire. Frigidaire Genuine Filters – the smarter, safer choice. Not to be confused with filter ULTRAWF, which is longer, and fits different Frigidaire refrigerator models. WF3CB length is 9 inches. From the Manufacturer The Frigidaire PureSource 3TM ice and water filter system is tested and certified to NSF/ANSI Standards 42 and 53 for the reduction of claims.