Compatibility: Replacement Accessories Are Compatible With Dreame X40/X40 Pro/X40 Ultra Robot Vacuum Cleaner. Please Confirm Whether Your Robot Model Is Compatible Before Purchg. | | Efficient Cleaning: The Anti-Tangle Rubber Roller Brush Can Reduce Clogging Caused By Tangled Hair. The Brush Can Stay Close To The Floor On Uneven Surfaces For Deeper Cleaning. The Triangular Side Brush Reaches Deep Into Corners And Edges To Remove More Dirt And Debris. | | High Performance Accessories: Washable And Reusable Hepa Filter Effectively Blocks 99.97% Of Particles As Small As 0.3 Microns, Pet Hair And Dust. The Dust Bag Uses Multi-Layer Filtration And A Self-Sealing Design To Keep Your Home Environment Clean And Hygienic. | | Easy To Replace: Quick And Easy Replacement Without Tools. Replace The Consumable Replacement Kit Every 2 To 3 Months, Depending On Frequency Of Use, To Keep Your Robot Performing At Its Best. | | Buy With Confidence: If You Have Any Questions About Our Pr.