The Intex CS8221 takes the Intex Type B filter cartridge 29005 as its cartridge; Australian sellers list it from A$16.95 as of 27 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your pool filter
Intex CS8221
Pool filter
Confirmed against Intex's listConfirmed against Intex's own compatibility list
Not yours? Change
Takes the 29005 cartridge
Type B filter cartridge 29005 · check the code on your old part before ordering.
Your pool filter
Pool filter
Confirmed against Intex's listConfirmed against Intex's own compatibility list

Takes the 29005
Cartridge · check the code on your old part.
Other Intex pool filters that take the 29005
GenuineGenuine Intex
$16.95
Amazon AU · 27 OctLowest genuine · Amazon AU · checked 27 Oct
CompatibleCompatible option
$20.00
Heater and Spa Parts · 29 OctHeater and Spa Parts · checked 29 Oct
Check sellerCheck seller details
Genuine: made by Intex. Compatible: another brand.Genuine is made by Intex. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $20.00
Heater and Spa Parts. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 5 listings from 4 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
Genuine Intex
4 listings from 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 at least every two weeks, Intex says; take it out and check it every week and hose it clean in between.
After replacing: No reset. The 634T pump's filter gauge shows green (clean), yellow (clean the cartridge) or red (clean or replace it); turn the pump on to read it.
How to change the cartridge in your Intex CS8221
Watch the guide or follow the steps.
- 1Turn the pump off and unplug the power cord.
- 2Turn both plunger valve handles fully clockwise to close them, then open the top air release valve a turn or two.
- 3Turn the housing collar anticlockwise and lift off the housing cover.
- 4Lift out the cartridge and hose it clean with a strong spray, or fit a new one if it is discoloured, misshapen or torn. Flush any sediment out through the sediment valve at the base.
- 5Refit the cartridge and cover and screw the collar back on clockwise.
- 6Open both plunger valves fully, close the air release valve once the air is out, plug in and turn the pump on.
Every number this part goes by
- Retail name:
- 29005
- Retail name:
- 29005E
- Retail name:
- Intex Type B
- Retail name:
- Type B
Sellers list any of these; they are the same part.
About your Intex CS8221
Intex pool filter — Krystal Clear cartridge filter pump and saltwater system (older combo model). Its cartridge is the Type B filter cartridge 29005, part 29005.
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.
Common questions
- Which cartridge fits the Intex CS8221?
- The Intex CS8221 takes the Intex Type B filter cartridge 29005.
- Where can I buy the 29005 in Australia?
- We track 4 Australian sellers for the 29005; the lowest listed price when we last checked was A$16.95 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 29005 in an Intex CS8221?
- 6 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. The 634T pump's filter gauge shows green (clean), yellow (clean the cartridge) or red (clean or replace it); turn the pump on to read it.
Something looks wrong with the CS8221 match? . Reports go to a person, not a bot.