Search by entering your filter model number, any cartridge size, filter manufacturer name, cartridge number, or cartridge brand. You'll be able to refine your search in this column!
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Your cart is empty. offers a wide array of spa filters. We have spa filters for a vast number of spas and spa manufacturers. Below is a listing of Spa manufacturers. If you know the maker of your spa simply click on the link of the corresponding manufacturer and that will take you to the spa filters available from It is highly recommended that you confirm the measurements of your spa filter prior to ordering. for instructions please see: "Measuring a Pool Cartridge or Spa Filter"

If you know the model number of your spa filter, you may use the reference charts labeled "Pleatco", "Unicel", "Filbur" find your model number and then click on that number, this will take you to the product page for that particular spa filter. All spa filters sold by are made to meet OEM specifications, with the highest quality materials and are MADE IN THE USA.

Unicel Pool Spa Filter Cartridge Reference Chart Pleatco Pool Spa Filter Cartridge Reference Chart Filbur Pool Spa Filter Cartridge Reference Chart

If measuring your filter....

DO INCLUDE any handles for length
and EXCLUDE bottom adaters or threads.