The iRobot Roomba Combo j7+ takes the iRobot High-Efficiency Filter 3-Pack (Roomba Combo j7, j9+ & 10 Max) (part 4787029) as its filter; Australian sellers list it from A$8.95 as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your robot vacuum
iRobot Roomba Combo j7+
Robot vacuum
Confirmed against iRobot's listConfirmed against iRobot's own compatibility list
Not yours? Change
Takes the 4787029 filter
High-Efficiency Filter 3-Pack (Roomba Combo j7, j9+ & 10 Max) · check the code printed on your old filter before ordering.
Your robot vacuum
Robot vacuum
Confirmed against iRobot's listConfirmed against iRobot's own compatibility list
Takes the 4787029
Filter · check the code on your old filter.
Other iRobot robot vacuums that take the 4787029
GenuineGenuine iRobot
$59.95
Robot Specialist · 5 NovLowest genuine · Robot Specialist · checked 5 Nov
CompatibleCompatible option
$8.95
Amazon AU · 26 OctAmazon AU · checked 26 Oct
Check sellerCheck seller details
Genuine: made by iRobot. Compatible: another brand.Genuine is made by iRobot. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $8.95
Amazon AU. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Other parts this robot vacuum takes
- iRobot Dirt Disposal Bags 3-Pack (Clean Base)Open Amazon AU$9.80
The dust bag. Separate from the filter.
Compare 5 sellers - iRobot Dual Multi-Surface Rubber Brushes (Roomba e, i, j & Combo)Open Amazon AU$12.22
The main brush. Separate from the filter. Replace every 6 months.
Compare 2 sellers - iRobot Washable Cleaning Pad 2-Pack (Roomba Combo j7, j9+ & 10 Max)Open Amazon AU$10.00 each · 3-pack $29.99
The mop cloth. Separate from the filter.
Compare 4 sellers - iRobot Edge-Sweeping Brush 3-Pack (Roomba e, i, j, Combo; also 600–900)Open Amazon AU$13.50
The side brush. Separate from the filter. Replace every 12 months.
Compare 3 sellers
Compare 4 listings from 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
Genuine iRobot
3 sellers
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it regularly; a dirty filter weakens suction.
How to change the filter in your iRobot Roomba Combo j7+
Watch the guide or follow the steps.
- 1Press the bin release button on the back of the robot and pull the bin out.
- 2Open the bin door and empty it, then grasp the side of the filter and pull it out of the bin.
- 3Push the new filter in with the ridged grips facing out. The robot will not run if the filter is not in properly.
- 4Slide the bin back into the robot until it clicks.
Every number this part goes by
- Retail name:
- 4785883
- Retail name:
- 4785887
- Retail name:
- 4787029
Sellers list any of these; they are the same part.
About your iRobot Roomba Combo j7+
iRobot robot vacuum — Roomba Combo j series. Its filter is the High-Efficiency Filter 3-Pack (Roomba Combo j7, j9+ & 10 Max), part 4787029.
Also in this robot vacuum: iRobot Dirt Disposal Bags 3-Pack (Clean Base), iRobot Dual Multi-Surface Rubber Brushes (Roomba e, i, j & Combo) (every 6 months), iRobot Washable Cleaning Pad 2-Pack (Roomba Combo j7, j9+ & 10 Max), iRobot Edge-Sweeping Brush 3-Pack (Roomba e, i, j, Combo; also 600–900) (every 12 months).
Where the model number is: Turn the robot over: the model name and serial are on the label on the underside. The model name is also on the top lid of most robots.
Fits these 4 iRobot models
Common questions
- Which filter fits the iRobot Roomba Combo j7+?
- The iRobot Roomba Combo j7+ takes the iRobot High-Efficiency Filter 3-Pack (Roomba Combo j7, j9+ & 10 Max) (part 4787029). Compatible filters made to the same specification also fit.
- Where can I buy the 4787029 in Australia?
- We track 3 Australian sellers for the 4787029; the lowest listed price when we last checked was A$8.95 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 4787029 in an iRobot Roomba Combo j7+?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A clogged filter loses suction, worn brushes miss edges, and a stale mop cloth smears rather than cleans.
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