» Saltwater Aquarium Supplies » Reverse Osmosis

RO/DI Replacement Filter Kit

Kit Includes: 1 x 1 micron dual density gradient sediment filter 1 x 1/2 micron carbon block prefilter 1 x Color Indicating Mixed Bed DI Cartridge 1 micron dual density gradient sediment filter is highly recommended due to longer...

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TFC Membrane

TFC membrane for 25 GPD RO or RO/DI systems Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched the best replacement...

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AquaticLife™ Four Stage RO/DI + FREE Replacement Cartridges (Pre-Filter, Carbon and Bed Resin)

AquaticLife™ Four Stage RO/DI Professional Water Purification Systems are designed for ease-of-use and years of life. Available in Deluxe and Power models, these RO Units remove harmful substances such as heavy metal ions and t...

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Kent Marine Hi-S DI Replacement Cartridge - Color Change

Replacement Hi-S DI cartridge for Kent Marine Maxxima Hi-S RO/DI units Kent Marine offers a full line of replacement part and accessories for all their reverse osmosis and deionization systems. In this day of increased water poll...

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Kent Marine Hi-S TFC Membrane

Replacment Kent Marine 35GDP Hi-S TFC membrane Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched for the...

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Kent Marine DI Mixed Bed Resin Cartridge

Replacement mixed bed resin cartridge for the Kent Marine Maxxima RO/DI system Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We h...

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Captive Purity Hi-Silicate Removal TFC Replacement Membrane

The key component for any reverse osmosis unit is its membrane. The membrane will determine the type of contaminants removed and how much water the unit will produce. Our Captive Purity Hi-S (High Silicate) membranes are the gold ...

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Buy a Captive Purity 35 GPD Deluxe RO/DI Unit and Get the RO/DI Replacement Filter Kit FREE

Buy a Captive Purity 35 GPD Deluxe RO DI Unit and Get a RO/DI Replacement Filter Kit for FREE Captive Purity represents the highest quality in reverse osmosis technology. Captive Purity Reverse Osmosis Systems meet stringent st...

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