The Frigidaire WF3CB PureSource 3 Replacement Ice & Water Filter is a convenient, easy-to-replace filter for Frigidaire side-by-side refrigerators manufactured after 2009. This replacement filter is tested and certified to NSF/ANSI Standard 42 and 53 for the reduction of at least 95% of contaminants and substances including chlorine, lead, mercury, and alachlor. It is located at the top right of the fresh food compartment and was designed as a “push/push-inch style filter, making it incredibly easy to replace.