Eureka 61111D Hepa Filter This is an O.E.M. Authorized part Fits various eureka models Oem part number 61111d-2 This is a Eureka replacement part Part Number 61111D-2 This is an O.E.M. part Fits Eureka Ultra Smart Vac model 4870DT (2910-8156) HF style Carded Eureka Brand Product Easy to Use