The Intex 28638 takes the Intex Type A filter cartridge 29000 as its cartridge; Australian sellers list it from A$11.50 each as of 27 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your pool filter
Intex 28638
Pool filter
Confirmed against Intex's listConfirmed against Intex's own compatibility list
Not yours? Change
Takes the 29000 cartridge
Type A filter cartridge 29000 · 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 29000
Cartridge · check the code on your old part.
Other Intex pool filters that take the 29000
GenuineGenuine Intex
$11.50 each
6-pack $68.99
eBay AU · 27 OctLowest genuine · eBay AU · checked 27 Oct
CompatibleCompatible option
$13.00
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 · $13.00
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 12 listings from 4 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 sellers
Genuine Intex
10 listings from 3 sellers
Opens eBay 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 light. Follow the maker's replacement interval.
How to change the cartridge in your Intex 28638
Watch the guide or follow the steps.
- 1Turn the pump off and unplug the power cord.
- 2604 and 638R: unscrew the inlet nozzle and strainer grid in the pool and push in the hat-like plugs. 636T: turn both plunger valve handles fully clockwise to close them, then open the air release valve a turn or two.
- 3Turn the housing collar anticlockwise and lift off the cover. Keep the seal or O-ring.
- 4Lift out the cartridge and hose it clean, or fit a new one. 636T: if there is sediment in the housing, unscrew the sediment valve at the base and flush it out.
- 5Refit the cartridge and cover and screw the collar back on clockwise.
- 6604 and 638R: open the air release valve, take out the plugs and refit the nozzle and grid. 636T: open both plunger valves fully and close the air release valve once the air is out. Then turn the pump on.
Every number this part goes by
- Retail name:
- 29000
- Retail name:
- 29000E
- Retail name:
- 29002
- Retail name:
- 29002E
- Retail name:
- 29003
- Retail name:
- 29003E
- Retail name:
- Intex A cartridge
- Retail name:
- Intex Type A
- Retail name:
- Type A
Sellers list any of these; they are the same part.
About your Intex 28638

Intex pool filter — Krystal Clear cartridge filter pump, 1,000 gal/h (3,785 L/h), model 638R. Its cartridge is the Type A filter cartridge 29000, part 29000.
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 28638?
- The Intex 28638 takes the Intex Type A filter cartridge 29000.
- Where can I buy the 29000 in Australia?
- We track 4 Australian sellers for the 29000; the lowest listed price when we last checked was A$11.50 at eBay AU. Prices are re-checked daily and dated on this page.
- How do I fit the 29000 in an Intex 28638?
- 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 light. Follow the maker's replacement interval.
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