How to measure your filter cartridge

Outer diameter:
Measure as accurately as possible, the outside diameter of the end cap (making sure you measure at the widest point). 

Filter Length:
Measure the overall length of the cartridge including the end caps. Do not include any handles, attachments, etc.

All measurements are taken from the outside of the filter.

Hole (if applicable):

Measure the centre hole as accurately as possible.

Search our extensive range of spa and pool filters

View a print friendly list of all our products:

Sort by: Product name Product code Top type Bottom type Cap diameter Length Hole diameter

Or search by entering the diameter of the
end cap and the filter length:

You will be supplied with search results that
are + and - 5mm within your search criteria.