- Spot-Free Rinsing: Specifically engineered to produce deionized water for applications requiring spotless, streak-free results. Ideal for car washing, window cleaning, solar panel cleaning, laboratory use, and other applications where mineral-free water is critical.
- High Purity Deionization: Contains a custom blend of mixed-bed DI resin to effectively remove dissolved solids and minerals.
- Generous Capacity: Provides approximately 6,800 gallons of deionized water when treating water with 5 ppm TDS at a peak flow rate of 4 GPM (gallons per minute).
- Not for Drinking Water: Important: This cartridge is not suitable for purifying drinking water as it removes beneficial minerals.
- Standard Big Blue Size: Measures 4.5" x 20", ensuring compatibility with common Big Blue filter housings.


Grease Sump Seal
1Apply food-grade silicone grease to lubricate the O-ring and threads on the sump, then proceed to install the O-ring in the filter sump.

Sump Thread Lube
2Lubrication of the sump threads will assist in the easy removal of the sump when it's time to change the drop-in filter cartridge.

Cartridge Alignment
3Place the filter cartridge into the sump and align it with the notch at the housing's bottom.

Complete Installation
4Place the sump into the filter cap and turn clockwise to secure the filter. Hand-tighten, then use the provided wrench for an extra quarter turn.
Specifications
Models | Media | ≈Peak GPM | Capacity (gallons) | Primary Functions |
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DI-2045 | DI Resin | 4 | ≈6800 Gallons @ 5 ppm | Deionization |
Capacity Calculator DI-2045
TDS as CaCO3
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CO2 ppm as CO2
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Estimated Capacity (Gallons)
UPC | 032733545480 |
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