Complete Filter Kit: This package includes 1 HEPA post-filter and 1 washable pre-filter, ideal for replacing dirty filters in your for DC40 compatibility before purchase to maintain optimal performance. Enhanced Vacuum Health: Easy to install without tools, these filters are recommended to be cleaned every 3-6 months to maintain your vacuum's efficiency and suction power. Regular replacement helps keep your home's air clean and your vacuum running smoothly. Reusable Convenience: The included pre-filter is washable and reusable, designed to withstand multiple cleanings. Simply rinse with water, air dry completely, and reuse to reduce waste and maintain your vacuum's performance. Colour:As Shown Material:Plastic Package Contents: 1 * pre-filter 1 * post-filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.