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Cartridge Filters

How to Find your product.

Please see below our Complete Filter Catalogue in Alphabetical Order.

We have such an extensive cataloue that it is sometimes difficuilt to find the right product you require. 

The quickest way to find the correct filter is to put the Magnum Re-Order Code in the search bar to the top right of the page. This will take you straight to the product page. For a list of the codes, go to Magnum Filter website.  


Alternatively, If you know the Brand, then select the Cartridge Brand from the list to the left of the page. 

If you can still not find your product, then we will be more than happy to help you out, so contact us at  or 0800 936 426.


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Alpine Spas 18

$51.00 incl GST

Vortex C50

Out Side Diameter is 127. Length is 339. Bottom End Cap is SAE Internal Thread. Top End Cap is Semicircle handle. Replacement for Purezone polyspun cartridge.
From $79.00 incl GST

Alpine Spas 20

Alpine Duo & Nova.
$54.00 incl GST

Aqueous Spa

Also Fits: Pre-2010 O2 Spas and some Arcadia Spas.
$54.00 incl GST

Artesian Spas 40

$75.00 incl GST

Artesian Spas 50

$88.00 incl GST