Eureka DCF4/DCF18, Part# 63073, Dust Cup FilterThis is a single pack of the DCF-4/DCF-18 Filter which is for the 4700 and 5500 Series Uprights. For optimum performance, change your filter every 6 months.Did you know?DCF4 is the same as the DCF18Eureka part number 63073 (replaces 62132)UPC: 023169120952Not sure which filter fits your vacuum? Check out our handy Eureka Filter Chart