iRobot Roomba Max 775 Combo replacement parts
On the Roomba Max 775 Combo the parts that wear out are the dock bags, the carbon filter, the dual edge sweeping brushes and the dual rubber main brushes. Following iRobot guidance at the longer end of its ranges, bags, filters and edge brushes cost about $220 over three years at iRobot US store list prices. iRobot was sold to Picea in January 2026 after Chapter 11, and iRobot says parts and support continue, so buy from the official store and check the compatibility list on each listing.
UPDATED OCT 16, 2026 · PRICES FROM MAKER STORES
| Part | Pack | Price | Replace | 3 yr cost | Buy |
|---|---|---|---|---|---|
| Carbon AllergenLock debris bags 4861286 Compatibility list names the Roomba Max 775 Combo Robot + AutoWash Dock. One spare carbon bag ships in the box. | 3 pack | $25 | About every 3 months (maker guidance on the 775 page), or when the app or dock prompts | $100 | iRobot US store Amazon → |
| Carbon filter 4862708 Listed for Roomba Max 705, 707, 775, 776, 777 and 778 Combo robots. Total assumes one filter every 6 months. The older 3 pack filter (4849940) does not list the 775. | 3 pack | $25 | Every 3 to 6 months (maker guidance on the 775 page) | $50 | iRobot US store Amazon → |
| Anti tangle edge sweeping brushes 4862707 The 775 uses dual edge brushes, so each change uses two. Total assumes a change every 6 months. The older Dual Edge Sweeping Brushes 6 pack (4849941) is for the 705 and 707. | 6 pack | $35 | Every 3 to 6 months (iRobot Max 700 Series care guide) | $70 | iRobot US store Amazon → |
| Replenishment kit (filters, edge brushes, main brush) 4862706 The only US listing found with a main brush that names the 775. The listing is inconsistent: specs say 1 Multi Surface Bristle Brush, details say 2 Dual Multi Surface Rubber Brushes. The standalone rubber brush set (4849905) does not list the 775. | Kit: 3 filters, 3 edge sweeping brushes, main brush | $65 | Main brushes every 6 to 12 months (iRobot Max 700 Series care guide) | n/a | iRobot US store Amazon → |
| StayClean mopping concentrate 4850568 Titled for 700 Series Combo robots and the 775 page says its dock mixes StayClean concentrate, but the listing compatibility section names only the 705 and 707 Max models, not the 775. A 30 mL sample ships in the box. | 10.1 oz (300 mL) bottle | $30 | When empty (no maker interval) | n/a | iRobot US store Amazon → |
Check the part number against your model before you order. Third party parts are cheaper but can void the warranty. Amazon links are affiliate links.
Tips to make parts last
- Check the compatibility list on every iRobot listing: older Max 700 Series parts such as filter 4849940, roller mop 4849939 and battery 4850895 list only the 705 and 707, not the 775.
- The 775 dock takes the carbon AllergenLock bags, which iRobot says give about 3 months of hands off emptying, and one spare bag ships in the box.
- Change the filter every 3 to 6 months; iRobot notes a dirty filter weakens suction.
- The box includes one extra filter and two extra side brushes, so your first replacement set is already covered.
- Rinse the dock water tanks and wipe the charging contacts and brushes as part of routine care, per the 775 product page.
Questions owners ask
How often should I replace the Roomba Max 775 Combo filter?
iRobot's 775 product page says to change the filter every 3 to 6 months. Its Max 700 Series care guide lists every 2 months, so heavy use or pets may call for the shorter end. The carbon filter 3 pack is $24.99 at the iRobot US store.
Which bags fit the Roomba Max 775 Combo dock?
The Carbon AllergenLock debris bags (item 4861286, $24.99 for 3) list the Roomba Max 775 Combo Robot + AutoWash Dock as compatible. iRobot says the carbon bags keep homes fresh for about 3 months of hands off maintenance.
Can I buy a replacement roller mop or battery for the 775?
As of October 16, 2026 the iRobot US store's roller mop (4849939) and Max combo battery (4850895) list only the Roomba Max 705 and 707 Combo, not the 775. Contact iRobot support before buying either for a 775.
Are iRobot parts still available after the Picea sale?
iRobot was sold to Picea in January 2026 after Chapter 11, and iRobot says parts and support continue. The US store still lists bags, filters, edge brushes and a replenishment kit for the 775.