Best Reviewed Water Filters under $25 of 2023


Decoder analyzed more than 627 reviews to find which water filters under $25 are loved by shoppers, and which ones standout based on the following important qualities:

  • Water Filtration
  • Life Of Filter

Read more about what factors to consider when shopping for water filters in our buyer's guide.

Results (3)

Best Overall


Bottom Line

This is a good filter to use in conjunction with another one for drinking water, but it's not powerful enough to be used alone.

Rank based on 377 reviews

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Also Great


Aquaboon's 6-pack of 1-micron sediment filters are made of 100% pure polypropylene microfibers and are compatible with most standard RO filter units. The filters have a micron rating of 1 and measure 10 inches x 2.5 inches.

Rank based on 128 reviews

Premium Choice


This water filter is designed to fit most 10 inch x 2.5 inch Reverse Osmosis Systems. It is made of 100% pure polypropylene microfibers and can reduce 99.99% of sand, scale, rust, sediment, and particles.

Rank based on 122 reviews

Buyer's Guide

Written By


Oct. 4, 20222 3:02 p.m. PT

Decoder is a product recommendation engine that eliminates the guesswork of online shopping and finds the perfect product for your needs.

Planning to buy a water filter?

When looking for a water filter, you'll want to find one that is certified to remove contaminants from your water. The size of the unit is also important, as you'll want to make sure it can accommodate the amount of water you use on a daily basis. Additionally, you'll want to consider the unit's filter life and replacement costs.

Decoder generates product rankings at its discretion using proprietary methods. As an Amazon Associate, we earn from qualifying purchases. Some of the content on this site comes from third parties. This content is provided 'as is' and is subject to change at any time.

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