Please take note. Your rollers have to be the same colour. If they are the blue type they will not fit

If you are unsure if your head has a sliding adjuster, it is the incorrect type.This one is a grey bar on the front with no adjustment

The Dyson DC41 Brush Rollers Brush Bar in grey is a replacement part specifically designed for the Dyson DC15 model. This brush bar is essential for maintaining the performance of your vacuum cleaner, particularly for upright use. Made by the trusted brand Dyson, this brush bar ensures compatibility and quality for your vacuuming needs. The set includes a single brush bar, providing convenience and easy installation to keep your Dyson DC15 operating at its best.