Combo - Dyson DC41, DC65, DC66 miscible Filter Set. 1 HEPA Post Filter & 1 Pre Filter. Part # 920769-01 & 920640-01. DC41 Models : DC41 Animal, DC41 Animal fill in, DC41 Animal fill in account, DC41 Animal account, DC41 Animal Plus, DC41 Multi Floor, DC41 enumerate plum. DC65 Models : DC65 Animal, DC65 Animal fill in, DC65 Animal fill in account, DC65 Animal account, DC65 Animal enumerate plum, DC65 Multi Floor. Dyson Ball Models : Dyson Ball Allergy, Dyson Ball Allergy account, Dyson Ball ExclusiveDyson Animal Ball 2. This is not a Dyson ® OEM. The Dyson ® brand names and logos are the recorded of their various owners. Any use of the Dyson ® brand name or model designation for this product is solely for purposes of demonstrating compatibility.