Appliance · iRobot

iRobot Roomba Combo j9+ Auto-Fill robot vacuum and mop

verified 2026-10-13 Specs from iRobot Roomba Combo j9+ product page (item C975020). Also known as: roomba combo j9+, c975020.

Specs

vacuum filter Roomba Combo j7 / j9+ / 10 Max high-efficiency filter (4785883)
Filter for Roomba Combo j7, j7+, j9+ and Combo 10 Max.
vacuum bag iRobot Clean Base / AutoWash dirt disposal bag (4640235)
Bag used in iRobot Clean Base Automatic Dirt Disposal docks for Roomba i, s, j, Essential and Combo robots, the Combo j9+ Auto-Fill dock and the Combo 10 Max AutoWash dock.
brush roll Roomba e / i / j / Combo dual rubber brushes (4639309)
Main dual multi-surface rubber brushes shared by Roomba e, i and j series, Roomba Combo i/j robots and Combo 10 Max.
side brush Roomba e / i / j / Combo edge-sweeping brush (4757625)
Edge-sweeping (side) brush for Roomba e, i and j series, Roomba Combo robots and Combo 10 Max.

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Good to know

iRobot: not compatible with Roomba Combo Essential, Roomba Combo j5+, or the vacuum-only Roomba j7+ and j9+.
Only robots sold with (or paired with) a compatible Clean Base or AutoWash dock use bags; a robot without a dock does not.
iRobot's newer AutoEmpty docks (2025 Roomba lineup) are not on this bag's list; check before buying.
iRobot: not compatible with Roomba Combo Essential robots.
s series robots use wider brushes (4646490).
Not for 600 series robots, which use their own side brush (in kit 4636432).

4 parts and accessories in the graph work with this model. OEM parts first.

Informational only. Confirm with the manufacturer before buying or installing. Spotted a mistake? Report it.