As an Amazon Associate I earn from qualifying purchases.Updated: April 10, 2026
The Filter in your iRobot Roomba s9+ captures dust, allergens, and debris, keeping your home clean and air quality healthy. Over time, the filter becomes clogged, reducing suction power and efficiency. Replacing it regularly ensures optimal performance and prolongs the life of your Roomba. Delaying replacement can lead to decreased cleaning effectiveness and potential strain on other components.
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Function: Traps dust, debris, and allergens to maintain clean air and efficient vacuuming
Signs it needs replacing: Reduced suction power, more frequent emptying of the dustbin, or visible dirt buildup on the filter
OEM vs aftermarket: OEM filters are designed specifically for your Roomba model and guarantee performance. Aftermarket options can be more affordable but may vary in quality. Check reviews carefully.
Installation: Typically involves removing a cover panel and replacing the old filter with the new one. Refer to your Roomba's manual for specific instructions
Replacement schedule: every 1 month
Compatibility warning: always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 1 month replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This Filter replacement pack is ideal for Roomba s9+ owners experiencing a decline in cleaning performance due to a worn filter and want to extend the lifespan of their device.
Not ideal for: If your Roomba s9+ is malfunctioning significantly beyond filter issues or is nearing the end of its expected lifespan, a full device replacement might be more cost-effective.
Good to Know Before Buying
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Always confirm your exact model number (R950020) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the iRobot Roomba s9+ Filter?
The part number is 4640242. Always verify this matches your exact model (R950020) before ordering, as similar models may use different parts.
How often should I replace the Filter on my iRobot Roomba s9+?
every 1 month
Will aftermarket Filter replacements work in my iRobot Roomba s9+?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model R950020 and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.