WECO AA-2045 Activated Alumina 4 ½ " x 20" Water Filter Cartridge for Fluoride Reduction
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AA-2045
1
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- Pilot Test Fluoride Reduction: Specifically designed to target and reduce fluoride concentrations in your water supply.
- Good Capacity: Provides approximately 2500 gallons of treated water, based on an influent fluoride concentration of 4 mg/L at a peak flow rate of 0.5 GPM (gallons per minute).
- Standard Size: Measures 4.5" x 20", fitting most Big Blue filter housings for versatile application.


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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AA-2045 | Activated Alumina | 1⁄2 | ≈2500 Gallons @ 4 mg/L | Fluoride |
UPC | 032733545268 |
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