The Alpine Spas Niagara takes the Alpine Spas Platinum Microban filter (265 x 125 mm) (part FILTER-PLAT-1PC) as its cartridge; replace it every 6 months; Australian sellers list it from A$74.99 as of 30 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your spa
Alpine Spas Niagara
Spa
Confirmed against Alpine Spas's listConfirmed against Alpine Spas's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the FILTER-PLAT-1PC cartridge
Platinum Microban filter (265 x 125 mm) · replace every 6 months · check the code on your old part before ordering.
Takes 2 filters.

Your spa
Spa
Confirmed against Alpine Spas's listConfirmed against Alpine Spas's own compatibility list

Takes the FILTER-PLAT-1PC
Cartridge · every 6 months · check the code on your old part.
Takes 2 filters.
Other Alpine Spas that take the FILTER-PLAT-1PC
GenuineGenuine Alpine Spas
$74.99
Spa Supplies · 30 OctLowest genuine · Spa Supplies · checked 30 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Alpine Spas. Compatible: another brand.Genuine is made by Alpine Spas. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $74.99
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AUD, before delivery. Each price shows when it was checked.
Genuine Alpine Spas
1 seller
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Not due yet?
Get a nudge when your cartridge is due — it's every 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the cartridge in your Alpine Spas Niagara
Watch the guide or follow the steps.
- 1Switch the spa off at the isolating switch or mains board.
- 2Undo the plastic screw on the cup holder and lift the cup holder off the skimmer lid.
- 3Press down on the skimmer lid and twist it anticlockwise to remove it (it can be stiff), then lift out the basket grill.
- 4Lift the filter off the round holder, hose it clean or fit a new one, and push it back over the holder so it sits tight.
- 5Fit the basket grill into the top of the filter, turn the lid clockwise until it snaps into place, refit the cup holder and switch the spa pool back on.
Every number this part goes by
- Retail name:
- Alpine Platinum Microban filter
- Retail name:
- Alpine Spas platinum filter
- Retail name:
- FILTER-PLAT-1PC
Sellers list any of these; they are the same part.
About your Alpine Spas Niagara

Alpine Spas — Alpine Spas spa pool. Its cartridge is the Platinum Microban filter (265 x 125 mm), part FILTER-PLAT-1PC, changed every 6 months.
Where the model number is: The model name is on a silver plaque, usually along the bottom edge of the spa pool cabinet. If you can't find it, measure the old cartridge's length and diameter.
Fits these 22 Alpine Spas models
Common questions
- Which cartridge fits the Alpine Spas Niagara?
- The Alpine Spas Niagara takes the Alpine Spas Platinum Microban filter (265 x 125 mm) (part FILTER-PLAT-1PC). Takes 2 filters.
- How often should I replace the cartridge in my Alpine Spas Niagara?
- Every 6 months, or sooner if the cartridge light comes on.
- Where can I buy the FILTER-PLAT-1PC in Australia?
- We track 1 Australian seller for the FILTER-PLAT-1PC; the lowest listed price when we last checked was A$74.99 at Spa Supplies. Prices are re-checked daily and dated on this page.
- How do I fit the FILTER-PLAT-1PC in an Alpine Spas Niagara?
- 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.
- How do I reset the reminder?
- The Alpine Spas manual describes no filter reminder; follow its cleaning schedule.
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