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Unlock to see our ratings and compare products side by side a measure of how much the flow rate decreased, or time to filter increased, over the course of filter cartridge's lifespan. The Culligan ...

The Culligan US-EZ-4 is part of the Water Filters test program at Consumer Reports. In our lab tests, Under-Sink Water Filters models like the US-EZ-4 are rated on multiple criteria, such as those ...