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If you are looking for replacement filters for your system and you are unsure what you need please contact us and we will determine what you require and send you a manual quotation.
If you are not sure of the size of the cartridge you are looking for then you can visit our forum for the average dimensions of the 10 inch, 20 inch, 10 Inch Big and 20 Inch Big Cartridges. Keep in mind that the size will differ slightly from cartridge type to cartridge type.