4YourHome Washable Post Motor Hepa Filter Designed to Fit Dyson DC27 DC28 Animal Upright Vacuum Cleaners 4YourHome compatible Dyson upright vacuum cleaner spare washable HEPA post filter Direct replacement for Dyson Part No.915916-03 Fits the following models - DC27 HSN exclusive, DC27 Mail order exclusive, DC27 Total Clean, DC28 Animal To keep the performance of your vacuum cleaner high we recommend the filters are washed regularly. We recommend this filter is washed at least once every 3 months. Once washed please allow it to dry thoroughly.