991 Washable Dust Cup Pre-filter

This premium dust pre-filter is designed to keep your air clean. Featuring 991 layers of mesh, it traps dust particles larger than 1 μm and extends the life of your primary filter, helping maintain peak air purification performance. Its washable design ensures that it is always ready for use.

Part number 991 replaces 911685-01

Supported Models:

Dyson DC18 Slim
Dyson DC18 All Floors
Dyson DC18 Total Access
Dyson DC18 Full Kit