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Reusable Chemex Coffee Filter

(2 customer reviews)



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  • Compostable - EarthHero
  • Sustainable Lifestyle
  • 1% for the Planet
  • Charitable
  • GOTS Certified
  • Made in the USA
  • Low Impact Dyes
  • Organic Cotton


This product contains material that can break down into soil in either a backyard or industrial composting system. These products are declared compostable by the manufacturer, but may not third-party certified. Contact your local waste-hauler or composting facility to determine where these materials may be accepted. Certain materials may be better fit for industrial facilities than backyard composting systems. Industrial facilities may not exist in your area.

Family Business

This product is made by a family-owned business. EarthHero loves to support and empower businesses built around strong family values. 

Sustainable Lifestyle

This product helps promote a more sustainable lifestyle. Whether it encourages re-use and the movement away from disposable products, or it promotes sustainable actions like recycling and composting, this product can help you lower your environmental footprint.

1% for the Planet

This company partners with 1% for the Planet, a nonprofit organization that helps promote environmental stewardship. Members commit to donating at least 1% of their sales to the program, which helps connect them to high-impact environmental nonprofits across the globe.


This company donates a portion of their time or profits to charitable efforts in their community or abroad.

GOTS Certified

The Global Organic Textile Standard is an international processing standard for organic fibers that covers everything from processing, packaging, and distributing organic fibers. GOTS certified products are labeled organic if they contain 95% or more certified organic fibers, and are labeled as “made with organic” if they contain at least 70% organic fibers. GOTS assures that textiles are produced with socially responsible labor and environmentally conscious manufacturing. Certified textiles must follow guidelines on chemical use, energy and water consumption, safety and living standards for employees, waste produced throughout the manufacture process, and more.

Made in the USA

This product was made in the United States. Buying locally made items helps to reduce harmful emissions that result from transportation during and after the production process. Purchasing products made in the United States also ensures that the items are produced in ways that meet strict safety and labor standards.

Low Impact Dyes

Companies can adopt multiple practices to dye their textiles and products in a more environmentally safe way. Low impact dyes usually do not contain toxins such as heavy metals, plasticizers, fluorocarbons, and formaldehyde. Sustainable dyes can also be water or plant based, or use less water than conventional dyeing methods.

Organic Cotton

Organic cotton production uses zero chemical pesticides and fertilizers, promoting a healthier use of land and decreasing harmful agricultural runoff. By steering clear of toxic chemicals, workers experience less exposure to hazardous conditions, promoting social responsibility as well as environmental stewardship. Plus, farming methods for organic cotton have been shown to use up to 20% less water than nonorganic production methods. Choosing organic cotton eliminates the use of insecticides and other harmful chemicals, promotes efficient resource use, and results in a safer products and a cleaner planet!

After tasting a cup of coffee made using the Reusable Chemex Filter from CoffeeSock, your kettle won’t be the only one that’s singing. Made to fit your Chemex filter exactly, each durable organic cotton reusable coffee filter lasts for about a year and provides a robust, crisp, and flavorful profile without the paper filter taste or the french press acidity. Every CoffeeSock filter is handmade in the USA from GOTS Certified Organic Cotton by a fun-loving crew of coffee fanatics.

Also from CoffeeSock:

Sustainability Features


  • Handmade in Austin, Texas from GOTS Certified Organic Cotton sourced from Texas, India, and Pakistan


  • GOTS Certified Organic Cotton

End of Life

  • Compostable


  • Cotton is GOTS Certified Organic

Earth Friendly Features

  • Made from organic cotton, which requires less water, energy, and pesticides to grow than conventional cotton!


  • Ships plastic-free in packaging made from recycled content
  • Shipping packaging is recyclable

Product Specifications

Product Care

  • Empty grounds into the compost, rinse out the filter, and hang to dry. Periodically (CoffeeSock recommends twice per month) boil filters in fresh water for 10 minutes to remove buildup

Additional Features

  • Pack of 2 reusable filters designed to last a year (or about 500 cups) each
  • Replaces costly and wasteful Chemex paper filters while providing a better flavor
  • Colored with dyes that bind to cotton molecules, meaning no leaching into your drink

Product Dimensions

  • 3 Cup: 6.25" x 7.5"
  • 6 Cup Square: 8.25" x 8.25"
  • 6 Cup Half Moon: 9" x 6.25"


  • Unused, undamaged products in their original product packaging may be returned within 30 days


  • Unused, undamaged products in their original product packaging may be returned within 30 days

Shipping Info

  • Ships same business day!

About the Company


Handmade with GOTS Certified organic cotton by a crew of fun-loving coffee fanatics in Austin, Texas, CoffeeSock is a family-owned business that provides a reusable (and compostable!) alternative to wasteful paper filters without sacrificing flavor—for a fraction of the price. Make your cup-a-day (or more, we won’t judge) a little greener with CoffeeSock! With options for multiple coffee-making methods, including cold brews, travel javas, and more, CoffeeSock has your caffeinated back.

Click below to learn more about why we love CoffeeSock!

Learn More


Share your thoughts!

3 out of 5 stars

2 reviews

Let us know what you think...

What others are saying

  1. Question


    We have one of these and noticed after about 2 months that our coffee has a stale flavor to it. I never let the ground sit more than 20 or so minutes (so I don’t burn my fingers), they get well rinsed, and boiled bi-weekly as recommended. Any suggestions on the flavor? We drink our coffee black, so this off flavor is very pronounced

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    • EarthHero


      Hi Kelly, we’re so sorry to hear that you are having this experience with your filter! It sounds like you’re taking care of the filter excellently. Another step that should help would be soaking the coffee filter (overnight is ideal) in a 1:2 mixture of distilled white vinegar to water! This typically helps to remove any lingering flavors.

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  2. Emily

    Best Reusable Filter


    Being a former barista, I’m particular about my coffee but I also hate throwing away a paper filter every time I make pourover. I’ve tried a few reusable filters and this is the best one by far!

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  3. Andres

    Personal Quality Advisory

    Andres (verified owner)

    While I very much appreciate the sustainable aspect of this coffe filter, anyone who really cares about the taste of thier coffee should be aware that this filter is not for you. After following all the filter prepartion steps numerous time, the coffee it produces is consistenly and completely disappointing. The water falls straight through after pouring into the Chemex, not extracting any flavor from the coffee beans, and leaves you with a cup of coffee flavored water. The quality of coffee this filter produces is just nowhere near that of a regular Chemex paper filter.

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    • EarthHero


      Hi Andres, thank you for this thorough and helpful review! We have heard that the first use of this reusable filter prompts a rather subdued cup of bean water, but often subsequent uses provide a more robust flavor, typical of your normal experience! This is in part due to the softening of the organic cotton fibers, allowing more of the coffee to pull through over time. In the meantime, we also LOVE this other Chemex filter; still reusable and still earth-friendly 🙂

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