How To Correctly Measure Your Pool Cartridge Filter

With such a huge range of cartridge filters available online, finding a replacement for your particular application can be a bit daunting. Here we explain how to correctly measure your existing cartridge filter, which helps to narrow down your search.

OVERALL LENGTH x DIAMETER x HOLE DIAMETER


How To Correctly Measure Your Filter


Tip:
 The best way to ensure you are purchasing the right filter cartridge for your application is to match up the new cartridges dimensions with your existing cartridge you are looking at replacing.

Yes, this involves taking your old cartridge out of its housing and measuring it with a tape measure.

These dimensions are listed in the description of each and every one of our filters.

Length A: Measure through the inside hole from one side to the other, this will ensure any small lips around the hole are included in the measurement, which may change the length. 

Width BMeasure the top of the filter directly from one side to the other.

Hole C: Measure the filter hole from one side to the other.

Then, marry up your appropriate cartridge on the below table, starting with the Length (A). Note all measurements are in mm (millimetres).



Measurements Table

Name Length (A) mm Width (B) mm Hole (C) mm
DAVEY EC 750 285 230 102
HURLCON ZX-50 300 230 75
HURLCON ZX-75 300 230 75
AQUASWIM CF-50 375 185 75
ENDRO EC-75 375 185 75
QUIPTRON 464 375 185 75
TRIMLINE CC-50 375 185 77
DAVEY EC-1000 383 230 102
OPAL 110 440 280 75
OPAL 150 440 280 75
OPAL 180 440 260 75
POOLRITE CL55/110 495 185 56
POOLRITE EC-75 495 185 56
HAYWARD C-500 500 177 75
HURLCON QX-100 500 185 75
HURLCON QX75 500 185 75
HURLCON ZX-100 500 230 75
HURLCON ZX-150 500 230 75
ONGA BR6000 500 185 75
ONGA BR9000 500 185 75
QUIPTRON 696 500 185 75
TRIMLINE C-50 500 185 77
TRIMLINE CC-75 500 185 77
JANDY CS-100 529 227 102
JANDY CS-150 529 227 102
AQUASWIM CF-75 556 185 75
POOLRITE EC 100 556 185 75
DAVEY EC-1500 574 230 102
HURLCON ZX-200 700 230 74
HURLCON ZX-250 700 230 74
POOLRITE CL-80 717 185 54
EMAUX CF-100 719 185 77
AQUASWIM CF-100 736 185 75
MONARCH EC-150 736 185 75
HAYWARD C-750 750 177 75
HURLCON QX-150 750 185 75
ONGA PCF-100 750 185 75
QUIPTRON 929 750 185 75
TRIMLINE C-75 750 185 77
TRIMLINE CC-100 750 185 77
JANDY CS-200 841 227 102
JANDY CS-250 841 227 102
EMAUX CF-150 898 185 77

 


Tip: 
Instead of using expensive Cartridge Cleaner chemicals from your local pool shop, soak your cartridge in a tub of clean water and a scoop of Napi-San (that clothes, stain remover stuff in the pink tub that you use in the laundry) overnight, then rinse thoroughly with a hose the next day. This will break up all of the dirt and natural body fats that have solidified in the pleats of your cartridge and make for a much easier and thorough clean.



SPA CARTRIDGE FILTERS

Even though they can be much smaller, spa cartridges run off the same pool cartridge filter measuring principle as above. The only thing you'll have to look out for to ensure you're purchasing the right one (if it applies to your cartridge) is the thread; they either come in fine or course. Some spa cartridges do not have threads.

These threads are specified in the description of each and every one of our spa cartridge filters, if they apply to that filter. 


Please see a list of other useful pool blogs below:
Post author:

Natalie Hintze

Head of eCommerce & Marketing at Mr Pool Man,
Co-Founder at Water TechniX

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