Eureka DCF 18 / DCF 4 Odor Eliminating HEPA Filter (63073) or (62132) Eureka Dust Cup Filter DCF-18 With Arm & Hammer Fits Eureka Uprights 4700 and 5500 Series Eliminates odors caused by mold, bacteria and fungi. This filter replaces the DCF-4 filter which is no longer available. This NEW filter has Arm & Hammer in it.