Key takeaways
- Check what the filter removes: chlorine, limescale, lead or microplastics.
- Filter replacement cost matters more than the pitcher price.
- Under-sink systems treat more water but need installation.
In this article
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This buying guide is for anyone shopping for water filters in the US who wants a straight answer rather than a spec sheet. Work through the checks below and you will know what to buy and what to skip.
What to check before you buy
- Check what the filter removes: chlorine, limescale, lead or microplastics.
- Filter replacement cost matters more than the pitcher price.
- Under-sink systems treat more water but need installation.
How much to spend
A certified filter pitcher is a cheap start for better-tasting water.
The mistake to avoid
Forgetting to change filters on time.
How to find a good one online
When you shop online, sort by average customer review and prefer models with many ratings over a perfect score from a handful of buyers. Check that the seller is reputable, compare the warranty, and read the most recent reviews for problems that only show up after a few months of use.
When to buy
The deepest discounts usually arrive during the big summer sales in July, the October sales events and Black Friday through Cyber Monday in late November.
Compare more options
Search water filters on Amazon See top-rated water filters on Amazon
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Frequently asked questions
How do I choose the right water filters?
Check what the filter removes: chlorine, limescale, lead or microplastics. Filter replacement cost matters more than the pitcher price.
How much should I spend on water filters in the US?
A certified filter pitcher is a cheap start for better-tasting water.
What is the biggest mistake when buying water filters?
Forgetting to change filters on time.
When should I buy water filters in the US?
The deepest discounts usually arrive during the big summer sales in July, the October sales events and Black Friday through Cyber Monday in late November.