Cartridge Refills

99% of our orders ship the next business day

ORDER TODAY-WE SHIP TOMORROW
(or even today if possible)

How To Find A Filter Cartridge Replacement Using the Unicel Replacement Guide

1. Record the OEM name and model of the filter the cartridge came out of

2. Measure the outside diameter of the cartridge in inches (+/- 1/32")

3. Measure the cartridge length in inches (+/- 1/16")inlcuding the endcaps but excluding any handles or other extensions. Unicel recommends measuring through the center if possible.

3. Identify the cartridge outside edge end cap configuration

4. Count the number of pleats (+/- 2) and note whether there is a center core or not.

Unicel cartridges are grouped into Series based on the outer diameter of the cartridge. If you aren't sure which replacement cartridge you need for your filter, just email us with the above information and we will help you determine the correct Unicel replacement cartridge for your Pool or Spa.

Most Unicel filters listed are in stock.  However, certain models may require 7-10 days for shipment.

Unicel 2000 Series Replacement Filter Cartridge	Unicel 3000 Series Replacement Filter Cartridge	Unicel 4000 Series Replacement Filter Cartridge	Unicel 5000 Series Replacement Filter Cartridge
Unicel 6000 Series Replacement Filter Cartridge	Unicel 7000 Series Replacement Filter Cartridge	Unicel 8000 Series Replacement Filter Cartridge	Unicel 9000 Series Replacement Filter Cartridge