Original Sterilize Antibacterial Bacteriostatic Dirty Water Tank for Dreame X40 Ultra Vacuum Cleaner Spare Parts Accessories Vacuum Cleaner Parts Sterilize Antibacterial Bacteriostatic Dirty Water Tank Compaitble for Dreame X40 Ultra Color: Black Please kindly choose as your Model No., any doubts, please be at liberty to touch at any time, thank you~