[Universal Compatibility]This soft roller brush cleaner head is fully compatible with for SV19/21 cordless vacuum cleaner, you can vacuum and mop at the same time. Makes cleaning more convenient. Note: Does not fit for V6 DC Series. Not suitable for working on carpet [Upgraded Double Roller Brush] Equipped with 2 roller brushes made of super soft microfiber, protect hardwood floors from scratches and maintain low noise control. Perfect for dusting large areas and easily picking up many large objects such as cat, or dog food [Premium Material] ABS engineering plastic body can withstand the impact of a variety of strong external forces and keep the body strong [Removable & Washable]The soft roller can be easily removed by pressing the short stick button. Free up your hands from complicated replacement procedures, wash in cold water, then put the brush roll upright to dry Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: As shown Material: ABS Specification: A Package Contents: 1 * Roller Brush 1 * brush 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.