JoJo’s 20-inch Whole-House Filter Casings are available in 1-stage and 2-stage modular units, with the flexibility to link casings in series to create a 3-stage filtration system—tailored to your specific water quality needs.
When to Choose a 1-Stage Filter
A single-stage unit is ideal for basic sediment removal from your incoming water supply. This is a great entry-level option for improving water clarity and protecting plumbing or appliances from particulate buildup.
When to Choose a 2-Stage Filter
For more advanced filtration, a 2-stage setup is recommended.
Tip: The smaller the micron rating of your sediment cartridge, the finer the contaminants it removes—and the better it protects and extends the life of your second-stage filter.
When to Choose a 3-Stage Filter
If your water quality is of great concern, a 3-stage filter can be utilized as follows:
Why It Matters: Effective pre-filtration helps extend the lifespan and performance of the final stage—ensuring optimal protection for your household.
View our Cartridge Selection Guide for guidance on the best cartridge combinations.
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