Water Filters

We test dozens of Water Filters for performance, usability, and design. Here’s our test procedure and detailed reviews.

#Water Filter Pitcher

How Shouldit Tests Water Filter Pitchers

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We buy and test popular water filter pitchers for filter strength, filter life, filtration rate, and usability to find out the ones most worth buying.

Chlorine Removal

We put every water filter pitcher through this chlorine removal test to see how effective it is against this common water contaminant.

The Brita Metro Pitcher next to its package box

Overall Score: 8.4

Test Method v1.0

Brita Metro Pitcher (6 Cup) In-depth Review

The ZeroWater 23 cup water filter dispenser next to a water glass on a table

Overall Score: 6.5

Test Method v1.0

ZeroWater Pitcher 23 Cup In-depth Review

ZeroWater 10 cup filter pitcher next to a glass of water

Overall Score: 5.7

Test Method v1.0

ZeroWater 10 Cup Water Filter Pitcher In-depth Review

The PUR Plus 30 cup water dispenser next to a glass of water

Overall Score: 7.1

Test Method v1.0

PUR Plus 30 Cup Dispenser In-depth Review

The Brita Ultramax Water Filter Dispenser (27 Cup) next to a glass of water

Overall Score: 8.6

Test Method v1.0

Brita Ultramax Water Filter Dispenser (27 Cup) In-depth Review

a hand holding the Aquagear water filter pitcher and pouring water into a glass, cardboard box

Overall Score: 8.3

Test Method v1.0

Aquagear Water Filter Pitcher In-depth Review

The Brita Everyday water filter pitcher next to a glass of water

Overall Score: 7.7

Test Method v1.0

Brita Everyday Water Filter Pitcher In-depth Review

Gloved hand holding the Waterdrop Chubby water filter pitcher

Overall Score: 9.1

Test Method v1.0

Waterdrop Chubby Water Filter Pitcher In-depth Review

Gloved hand holding the Brita Aluna water filter pitcher

Overall Score: 7.3

Test Method v1.0

Brita Aluna S0500 Water Filter Pitcher In-depth Review

person pouring water from the Brita Marella XL to a glass

Overall Score: 6.2

Test Method v1.0

Brita Marella XL Water Filter Pitcher In-depth Review

Brita Style Fridge Water Filter Jug next to its package box

Overall Score: 7.9

Test Method v1.0

Brita Style Fridge Water Filter Jug In-depth Review

The LifeStraw Pitcher (7 Cup), a glass of water, the pitcher package box, a shelf full of blenders in the background

Overall Score: 6.6

Test Method v1.0

LifeStraw Pitcher (7 Cup) In-depth Review

#Shower Water Filter

How Shouldit Tests Shower Filters

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How Shouldit Tests Shower Filters

#Faucet Water Filter

How Shouldit Test Faucet-Mount Water Filters

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To help you buy the best filter possible and show you how the testing process is done for each review article we have on our website, you'll find the full testing procedure for faucet-mount water filters in this Healthy Kitchen 101's feature!