General description AlwaysH 2 Pack Pre-Motor Filter is designed for use with Dyson Vacuum Cleaners models DC28, DC33, DC37, DC39, and DC53. This pack contains two replacement pre-filters that are easy to replace, ensuring your vacuum cleaner operates efficiently. Technical specifications Compatible models: Dyson DC28, DC33, DC37, DC39, DC53 Pack includes: 2 pre-motor filters Other information Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display. There may be color differences; please refer to the actual item received.