PERFECT COMPATIBILITY:Replacement Brushroll & Filte Bundle for WD101 WD201 WD100 WD200 AW201 WD200C WD201C WD101C HydroVac XL 3-in-1 vacuum cleaner. for Hydrovac Cordless. EASY TO CLEAN AND REPLACE -Clean by hand washing in warm water and let it completely air dry before reusing them. Regularly clean replacements parts to improve suction and performance and extends the life of your robot vacuum. For best results,Vacuum Dust Bags and filters should be replaced every 2 - 3 months. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:plastic Package Contents: 2 x roller brushes 2 x filter frame 6 x filter cotton 1 x cleaning 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.