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How to Measure a Hot Tub Or Swimming Pool Pleated Filter Cartridge

The END CAP helps to provide structural support and increase filter cartridge durability. Unlike most other filter cartridges manufactured for the pool & spa marketplace, Pleatco Filter Cartridges have end caps that are 100% Antimicrobial and the Pleatco PART NUMBER is boldly molded into the end cap for quick and easy identification.

A. Measure the outside diameter of the cartridge.

B. Measure the overall length of the cartridge including the end caps.
Do not include any handles, strings, etc.
A more accurate measurement is made by measuring through the center of the cartridge when possible.

C. If the top and/or bottom is open, measure the inside diameter of the opening.


Then, use the Pleatco Filter Finder - To Find your Replacement Filter Cartridge

This may take a few moments to load in
Click Here to use the new Pleatco Filter Finder System - You can search for your filter by Part Number, Size or Manufacturer of your Spa. When you click that link, we will be retrieving the entire Pleatco Filter Database for you, so depending on your internet connection speed, it may take a few moments to load in.


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