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When you need the highest purity water, the Crystal Quest Ultra High Purity De-Ionizer Resin Water Filter Cartridge delivers unmatched performance. Perfect for laboratories, reef-keeping, and rinsing or plating operations, this filter provides top-notch deionization to remove ionic contaminants. Trusted by industry leaders like NASA, Pfizer, and prestigious universities such as Stanford, Harvard, and Princeton, this cartridge ensures your water meets the strictest purity standards.

The Crystal Quest Ultra High Purity De-Ionizer Resin Water Filter Cartridge stands out due to its superior performance and reliability. With endorsements from prestigious organizations and compliance with strict purity standards, it ensures the highest level of water purification. This cartridge not only meets but exceeds industry standards, providing unmatched quality and peace of mind.
Upgrade your water filtration system today with the Crystal Quest Ultra High Purity De-Ionizer Resin Water Filter Cartridge. Click 'Add to Cart' now and experience the purest water possible, trusted by the best in the industry.
Unmatched Purity:
Designed to reduce Total Dissolved Solids (TDS), this filter ensures ultra-pure water by meeting stringent limits on biological organisms, organic carbon, dissolved solids, and gases. It’s essential for processes requiring the purest water, including electronics, optical, and pharmaceutical manufacturing.
Wide Applications:
Ideal for various uses such as spot-free washing of motor vehicles, windows, solar panels, reef-keeping, rinsing, or plating operations. It’s also suitable for dialysis, research, and medical applications where water purity is critical.
High Capacity Media:
Equipped with high-capacity media, this cartridge delivers long-lasting performance. The cartridge housing materials are FDA approved, ensuring safety and reliability.
Easy Integration:
This filter fits most 2.5” x 10” housings, making it a versatile choice for existing systems. It’s a post-RO solution designed to lower TDS efficiently.
Quality Assurance:
Made in the USA by an ISO9001:2015 certified manufacturer with over 30 years of experience, you can trust in the quality and consistency of Crystal Quest products.
Industry Trust:
Leading organizations like NASA, Pfizer, and top universities rely on Crystal Quest for their ultra-pure water needs, demonstrating the trust and reliability of these products.
Standards Compliance:
This cartridge meets standards set by organizations such as AAMI, USP, ASTM, ANSI, CAP, ISO 3696, and NCCLS. These standards classify purified water into Type I, II, and III, with Type I being the purest, ensuring you achieve the right purity level for your specific application.
Customizable Systems:
Our systems can be tailored to accommodate various flow rates and allow for regular monitoring and maintenance without needing to take the system offline, ensuring continuous operation and
ease of use.
Ultra-High Purity Demineralizing (DI) cartridges are compatible with the following cartridge systems

Upgrade to the Crystal Quest Ultra High Purity De-Ionizer Resin Water Filter Cartridge today and ensure your water meets the highest purity standards. Experience the peace of mind that comes with using water trusted by leading institutions.
| 0.33 GPM (2.5x10) | 0.65 GPM (2.5x20) | |
| Total Capacity (Grains as CaCO3) | 450 Grains | 900 Grains |
| Estimated Gallons |
200 PPM Feed - 33 Gallons 10 PPM Feed - 680 Gallons |
200 PPM Feed - 66 Gallon 10 PPM Feed - 1,360 Gallons |
| TDS Reduction | 14 to 18 Meg Ohm | 14 to 18 Meg Ohm |
| Operating Flow Rate | 0.2 GPM | 0.4 GPM |
| Maximum Flow Rate | 0.3 GPM | 0.6 GPM |
| Temperature Range | 40°F (5°C) to 90°F (32°C) | 40°F (5°C) to 90°F (32°C) |
| Pressure Range | 20 PSI (1.4 bar) to 125 PSI (8.6 bar) | 20 PSI (1.4 bar) to 125 PSI (8.6 bar) |
| Micron Rating | 25 Micron | 25 Micron |
| Cap: | ABS |
| Body/Tube: | ABS |
| Pad: | PE |
| Gasket: | EPDM |
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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