Q: How often do I have to replace the filter?

Other questions about the iRobot Roomba Combo j7+

• What's the difference between the Roomba j7+ and Roomba Combo j7+?
• Does the Roomba j7 Combo work with the i7 self-emptying base?
• Does it avoid cords?
• Does the Combo j7 base use bags or a canister to hold the dust?
• Does it work with a 5GHz wifi router?
• Is the Combo j7 noisy?
• Can I use the robot vacuum without the app?
• How tall is the robot?
• Is it able to transit over door thresholds?
• What's the difference between the Roomba Combo j7 and the Roomba i7?

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