Roborock S7 MaxV Ultra replacement parts.

Replace when: Roborock recommends replacing the washable robot filter every 6–12 months, or sooner if it is damaged or remains clogged after cleaning.

Before buying: This fits the robot dustbin, not the Ultra dock's separate water filter. The selected Amazon variation is Filter-A, a two-filter white pack. After rinsing, let the filter air-dry for at least 24 hours before reinstalling.

Replace when: Roborock recommends cleaning the main brush every two weeks and replacing it every 6–12 months, or sooner if the brush is damaged.

Before buying: This Rrochio brush is a third-party robot roller, sold by MaiZG and shipped by Amazon when checked. Confirm the “S7 Main Brush1” option and compare the roller ends with your original brush; this is not the spinning cleaning brush in the dock.

Replace when: Roborock recommends cleaning the side brush monthly and replacing it every 3–6 months, or sooner if bent or damaged.

Before buying: Select the black Type B two-piece pack and confirm the screw-mounted brush matches the one on your robot. This is a robot part; the S7 MaxV Ultra dock does not change the side-brush mount.

Replace when: Clean the cloth after each use; Roborock recommends replacement every 3–6 months, or sooner if worn or no longer attaches securely.

Before buying: This two-piece cloth pack does not include the plastic mop mount. Check that the gray cloth and attachment slot match the original VibraRise pad; clean and air-dry the cloth after mopping.

Replace when: Replace the disposable bag when full. Roborock says the Empty Wash Fill Dock can hold debris for up to seven weeks, depending on use.

Before buying: These bags are for the S7 MaxV Ultra Empty Wash Fill Dock, not the Auto-Empty Dock used with S7 MaxV Plus. Confirm the 2.5 L capacity and Ultra dock model before ordering; the bag is separate from the robot-bin filter.

Replace when: Roborock recommends cleaning the dock maintenance brush as needed and replacing it every 6–12 months, or sooner if damaged.

Before buying: This is the small spinning brush in the Ultra dock's mop-washing tray, not the robot's rubber floor roller. Compare the brush and holder with the original dock part before installing; the manual says to rinse the brush clean as needed.