The Aqua One Moray 4900 takes the Aqua One Sponge 17s (25017S) for Moray 3600 and Moray 4900 as its filter media; Australian sellers list it from A$19.88 as of 30 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your aquarium filter
Aqua One Moray 4900
Aquarium filter
Confirmed against Aqua One's listConfirmed against Aqua One's own compatibility list
Not yours? Change
Takes the 25017S filter media
Sponge 17s (25017S) for Moray 3600 and Moray 4900 · check the code printed on your old filter before ordering.
Your aquarium filter
Aquarium filter
Confirmed against Aqua One's listConfirmed against Aqua One's own compatibility list

Takes the 25017S
Filter media · check the code on your old filter.
Other Aqua One aquarium filters that take the 25017S
GenuineGenuine Aqua One
$19.88
Aquarium Spare Parts · 30 OctLowest genuine · Aquarium Spare Parts · checked 30 Oct
CompatibleCompatible option
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No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Aqua One. Compatible: another brand.Genuine is made by Aqua One. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $19.88
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AUD, before delivery. Each price shows when it was checked.
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How long it lasts
Replace it when it clogs, breaks down or no longer holds its shape, Aqua One says; until then rinse it in a bucket of aquarium water each time you clean the filter.
How to change the filter media in your Aqua One Moray 4900
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Unplug the pump and take it out of the aquarium or pond.
- 2Take off the strainer and remove the sponge.
- 3Rinse the sponge to remove any build-up; if it shows signs of deterioration, replace it.
- 4Reassemble the pump in reverse order and put it back in place.
Every number this part goes by
- Retail name:
- 17S
- Retail name:
- 25017S
Sellers list any of these; they are the same part.
About your Aqua One Moray 4900
Aqua One aquarium filter — Moray pump (sponge pre-filter). Its filter media is the Sponge 17s (25017S) for Moray 3600 and Moray 4900, part 25017S.
Where the model number is: The model is on the filter's lid, motor head or a label on its side (Fluval 307, Eheim Classic 2215). For a tank with a built-in filter, use the tank's name.
Fits these 2 Aqua One models
Aqua One2 models
Common questions
- Which filter media fits the Aqua One Moray 4900?
- The Aqua One Moray 4900 takes the Aqua One Sponge 17s (25017S) for Moray 3600 and Moray 4900.
- Where can I buy the 25017S in Australia?
- We track 1 Australian seller for the 25017S; the lowest listed price when we last checked was A$19.88 at Aquarium Spare Parts. Prices are re-checked daily and dated on this page.
- How do I fit the 25017S in an Aqua One Moray 4900?
- 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?
- Spent carbon stops removing odours and discolouration, and clogged pads slow the flow, so the filter moves less water through the tank.
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