The WFCB is a popular replacement refrigerator water filter. Using this filter will give your home fresh and clean water. The WFCB works in refrigerators by Frigidaire, Kenmore and others. It will remove the contaminants commonly found in tap water. The filter, WFCB is available as an OEM replacement. OEM stands for original equipment manufacturer, meaning it is made by the factory original parts. The WFCB is sold as the Frigidaire WFCB PureSourcePlus water filter. It has passed testing against the NSF international standards 42 and 53. The Frigidaire WFCB should be replaced at six month intervals. Change your filter sooner if performance or flow rate decreases. The WFCB is offered with free shipping and returns. We guarantee your satisfaction with your purchase. DiscountFilters.com sells multiple quantities of the WFCB. Buying the highest filter quantity will give you the best price per item.