You should replace the filter on your Salin Device every 4 to 6 months to maintain its effectiveness. The Salin salt cartridge also includes a G4 Pre Filter that removes 98% of airborne pollutants (at least 10 micron in size), including bacteria, ...

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This filter is a replacement cartridge for the full-sized Salin Plus Unit. See images to verify you are purchasing the correct filter size. You should replace the filter on your Salin Device every 4 to 6 months to maintain its effectiveness.