Amazon.com: Replacement Pre Motor Filter Compatible with Dyson CY18 CY22 CY23 CY24 CY25 DY75 DY77 DY78 Big Ball Cylinder Vacuum Cleaner Replacement Parts (2 pack) : Home & Kitchen
Dyson CY18, CY22, CY23, CY26, CY27, CY28 Genuine Big Ball Pre Filter, 967371-01 | eBay