See My #1 Whole-House Filter Pick
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Key Takeaways
- Choosing the right difference between water softener and water filter means matching capacity and output ports to your actual devices
- Always check actual watt-hours (Wh), not just watts — runtime depends on Wh, not peak output
- Also covers: softener or filter
- Compare price-per-Wh across models to find the best value for your budget