Aquarium Installation, Service, and Supplies
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RO/DI replacement filter kit with Color Changing DI Resin, 4 Stage RO Unit


This kit will replace all the filters in your 4 stage RO/DI unit, to ensure you are producing zero TDS water for your aquarium.  Save time re-packing your DI cartridge, and use our included pre-filled cartridge, packed tight and vacuum sealed for maximum shelf life.

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