Dyson DC01 Dual Cyclone Vacuum Cleaner SubMicro Filter (Pkt 8). Part No. FILTD9, 27-DY-01, Same part as Qualtex FIL54. Now use .8 vacuum cleaner micro filters.Suits Dyson Dual Cyclone DC01 upright vacuum cleaner.Filter dimensions 107mm X 130mm.Easy to fit. Fully guaranteed.We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.