The Zodiac Polaris 3900 Sport takes the Polaris 3900 Sport SuperBag 39-310 as its debris bag; Australian sellers list it from A$64.95 as of 31 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your pool cleaner
Zodiac Polaris 3900 Sport
Pool cleaner
Confirmed against Zodiac's listConfirmed against Zodiac's own compatibility list
Not yours? Change
Takes the 39-310 debris bag
Polaris 3900 Sport SuperBag 39-310 · check the code printed on your old filter before ordering.
Your pool cleaner
Pool cleaner
Confirmed against Zodiac's listConfirmed against Zodiac's own compatibility list
Takes the 39-310
Debris bag · check the code on your old filter.
Other Zodiac pool cleaners and their filters
The 39-310 fits the Polaris 3900 Sport only. These Zodiac models take a different debris bag:
GenuineGenuine Zodiac
$64.95
Pool Shop · 31 OctLowest genuine · Pool Shop · checked 31 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Zodiac. Compatible: another brand.Genuine is made by Zodiac. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $64.95
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AUD, before delivery. Each price shows when it was checked.
Opens Pool Shop in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it when the bag is torn or worn out, Polaris says; empty it when it is half full and alternate between two bags.
After replacing: No reset needed.
How to change the debris bag in your Zodiac Polaris 3900 Sport
Watch the guide or follow the steps.
- 1Turn off the pool pump (and booster pump if fitted) and lift the cleaner out of the pool.
- 2Release the bag: on the 280, twist the bag connector until it clicks free of the feed pipe; on the 360, release the prongs and take the bag tie collar off the feed hose; on the 3900 Sport, undo the Velcro strips, twist the bag collar and pull it up.
- 3Fit the new bag the same way and clip the bag collar back onto the feed hose.
- 4Close the zip or closure, then put the cleaner back in the pool and turn the pump on.
Every number this part goes by
- Retail name:
- 39-310
- Retail name:
- 39310
- Retail name:
- W7610000
Sellers list any of these; they are the same part.
About your Zodiac Polaris 3900 Sport
Zodiac pool cleaner — Polaris pressure cleaners. Its debris bag is the Polaris 3900 Sport SuperBag 39-310, part 39-310.
Where the model number is: On a robot the model is on the label on the cleaner's body, often underneath, or on its power supply; unplug the power supply and lift the robot out of the pool before you turn it over. On a Polaris pressure cleaner it is on the body and the box.
Fits this Zodiac model
Zodiac1 model
Common questions
- Which debris bag fits the Zodiac Polaris 3900 Sport?
- The Zodiac Polaris 3900 Sport takes the Polaris 3900 Sport SuperBag 39-310.
- Where can I buy the 39-310 in Australia?
- We track 2 Australian sellers for the 39-310; the lowest listed price when we last checked was A$64.95 at Pool Shop. Prices are re-checked daily and dated on this page.
- How do I fit the 39-310 in a Zodiac Polaris 3900 Sport?
- 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 slows the cleaner and it picks up less; a torn one lets fine dirt pass straight back into the water.
- Is there anything to reset afterwards?
- No reset needed.
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