5 Ongoing Costs of the Roborock S9 MaxV

Replacement mop pads You will need to buy new mop pads every few months. They wear out quickly and cost around $20 per pack.

Replacement filters The Roborock filter needs regular swapping to maintain suction. A three-pack costs about $15 and lasts a few months.

Side brushes These small brushes break or bend over time. A set of two costs roughly $10 and should be replaced every 3-6 months.

Main brush The main brush collects hair and wears down. Replacing it every 6-12 months costs around $25.

Dustbin and dock bags If you use the self-emptying dock, you must buy proprietary dust bags. A pack of three costs about $15 and lasts a few months.