The Pentair FFCF100 takes the Pentair FreeFlo FFCF100 cartridge element 800751 as its cartridge; Australian sellers list it from A$113.00 as of 7 November 2026. Fitment confirmed against the manufacturer's compatibility list.
Your pool filter
Pentair FFCF100
Pool filter
Confirmed against Pentair's listConfirmed against Pentair's own compatibility list
Not yours? Change
Takes the 800751 cartridge
FreeFlo FFCF100 cartridge element 800751 · check the code on your old part before ordering.
Your pool filter
Pool filter
Confirmed against Pentair's listConfirmed against Pentair's own compatibility list
Takes the 800751
Cartridge · check the code on your old part.
Other Pentair pool filters and their cartridges
The 800751 fits the FFCF100 only. These Pentair models take a different cartridge:
GenuineGenuine Pentair
See seller
No genuine seller tracked yetNo genuine seller tracked yet
CompatibleCompatible option
$113.00
Heater and Spa Parts · 7 NovHeater and Spa Parts · checked 7 Nov
Check sellerCheck seller details
Genuine: made by Pentair. Compatible: another brand.Genuine is made by Pentair. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $113.00
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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 cleaning no longer brings the pressure back to the clean reading; clean it at 50–70 kPa above that reading.
After replacing: No reset light. Pentair says to clean the cartridge when the gauge reads 50–70 kPa above the clean-filter reading.
How to change the cartridge in your Pentair FFCF100
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Switch off the pump and close the valves on the suction and return lines.
- 2Open the air bleed valve on the lid, unscrew the lock ring and take off the lid.
- 3Lift out the cartridge (FFCF200: two elements) and hose the pleats, or fit a new one.
- 4Locate the cartridge and centre pipe on the bottom spigot. Clean and lubricate the lid O-ring.
- 5Press the lid down and screw the lock ring hand tight. Open the valves, start the pump and close the air bleed once all air is out.
Every number this part goes by
- Retail name:
- 800751
Sellers list any of these; they are the same part.
About your Pentair FFCF100
Pentair pool filter — FreeFlo cartridge filter. Its cartridge is the FreeFlo FFCF100 cartridge element 800751, part 800751.
Where the model number is: The model is on the label on the filter tank or under the lid (Zodiac CS150, Hayward C150S). On an above-ground pump it is on the pump's label or the box (Intex model 604 or item 28604, Bestway 58383); on an inflatable spa, on the box or the pump unit's label (Lay-Z-Spa Miami, Intex SB-H20). If the label has worn off, measure the old cartridge's length and diameter.
Fits this Pentair model
Pentair1 model
Common questions
- Which cartridge fits the Pentair FFCF100?
- The Pentair FFCF100 takes the Pentair FreeFlo FFCF100 cartridge element 800751.
- Where can I buy the 800751 in Australia?
- We track 2 Australian sellers for the 800751; the lowest listed price when we last checked was A$113.00 at Heater and Spa Parts. Prices are re-checked daily and dated on this page.
- How do I fit the 800751 in a Pentair FFCF100?
- 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A clogged cartridge slows the flow and the pump works harder, and a torn one lets dirt back into the water, so the pool or spa clouds.
- Is there anything to reset afterwards?
- No reset light. Pentair says to clean the cartridge when the gauge reads 50–70 kPa above the clean-filter reading.
Something looks wrong with the FFCF100 match? . Reports go to a person, not a bot.