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Chemex Bonded White Square Coffee Filters, 100 count

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In stock (Quick Ship - Ships Out Next Business Day!)
SKU: FS-100

Known as a pristine coffeemaker, Chemex® employs all of the chemically correct methods for brewing. Full bodied, richer flavor, from less coffee and as strong as you like without bitterness - that's what the Chemex® filter gives you.

  • Chemex filters are 20-30% heavier than competitive brands. They remove even the finest sediment particles, as well as undesirable oils and fats.
  • The formulation of the filter permits the proper infusion time by regulating the filtration rate - not too slow, not too fast.
  • Good infusion of the coffee grounds gives coffee a richer flavor while at the same time making possible precise fractional extraction.
  • 100 filters per pack.
  • The Chemex filter is folded into a cone shape, exactly as in laboratory techniques. This assures uniform extraction since the water filters through all the grounds on its way to the apex of the cone.
  • Guaranteed not to burst under the weight of the liquid during filtration, and not to break when lifting out the grounds.
  • For all Chemex coffeemakers larger than 1 pint.
  • Chemex Brewing Instructions:
  • 1. Open the Chemex-Bonded® Coffee Filter into a cone. One side should have three layers. Place the cone in the top of your coffeemaker with the thick portion toward the pouring spout.
  • 2. Using Regular or Automatic Grind coffee only, put one rounded tablespoon of coffee per 5 oz. cup into the filter cone. If you prefer stronger coffee, use more; there is never any bitterness in coffee brewed using the Chemex® method.
  • 3. When the water is boiling, remove it from the heat until it stops boiling vigorously. It should now be at about 200ºF, a perfect brewing temperature. Pour a small amount of water over the coffee grounds, just enough to wet them without floating. This is important because it allows the grounds to "bloom," so the desirable coffee elements can be released.
  • 4. After this first wetting simply pour more water, soaking the grounds each time, but keeping the water level well below the top of the coffeemaker. Once the desired amount of coffee is brewed, dispose of the spent grounds by lifting the filter out of the coffeemaker. And that's it! You are now ready to enjoy a perfect cup of coffee!

*Image is a representation. Actual product may vary based on model, size, and options selected.

Manufacturer: Chemex
Model: FS-100
List Price: $15


The Chemex® coffeemaker was invented by chemist Peter J. Schlumbohm, Ph.D., in 1941. Being a doctor of Chemistry, he was very familiar with laboratory apparati and the methods of filtration and extraction. He applied this knowledge when designing his coffeemaker by modifying the laboratory funnel, adding an "air channel" and a pouring spout. He added the "air channel" so the air displaced by the liquid dripping into the vessel could easily escape past the laboratory filter paper. Over the years, these items have been recognized as outstanding examples of American Design. In 1956, the Chemex coffee maker was selected by the Illinois Institute of Technology as one of the best-designed items of modern times, the only coffee brewer chosen for the award. The coffee maker and the water kettle are in the permanent collections of museums such as the Museum of Modern Art in New York, the Smithsonian, the Philadelphia Museum and the Corning Museum located in Corning, NY. When it comes to exceptionally tasting coffee made from a simple but elegant process, the Chemex has no rival.
Chemex Bonded White Square Coffee Filters, 100 count is rated 5.0 out of 5 by 10.
Rated 5 out of 5 by from very tough Hello, ok, if you insist to know what I do with the coffee filters: I use them for art projects. The paper is very tough and does not disintegrate when wet. I am a paper marbler and use hand made Lokta paper from Nepal for my art. When I do projects with children the handmade paper is just too expensive. The filter paper has an open surface, so that the colors can sit on it. I bought a good supply the other week, so that I have enough for the three day project at the Chatham library next week.
Date published: 2016-07-12
Rated 5 out of 5 by from Great, Classic Chemex filters To be honest, I was quite disappointed when I saw that the circular version (FC-100) of these filters were out of stock. But what can you do, you gotta have that coffee! So I went with the traditional option and I have no complaints. Great quality, plus I am a sucker for the aesthetics of this filter in the Wood collar Chemex. Amazon had the same filters for $10.40 with Prime (2-day). However, I decided to go with the coffee pros price and experience!
Date published: 2015-01-26
Rated 5 out of 5 by from Chemex square filters These are the best coffee filters available and they complement the Chemex Coffee Carafe beautifully. The design and performance of these filters allows the production of excellent coffee every time because they efficiently trap impurities. Additionally, the square shape allows for the easy and clean disposal of grounds.
Date published: 2015-09-01
Rated 5 out of 5 by from Chemex filters make great coffee. Great price Great price on the chemex filters. these are the folded squares which are easy to lift out. Great coffee from these "old school" method makers. Dropped my cholesterol +20% by switching from french press and getting rid of the cafinoid oils. No bitter coffee either.
Date published: 2013-12-10
Rated 5 out of 5 by from Exactly what I was looking for. The BEST coffee you will ever have can only be with Chemex filters. No others compare. And Prima Coffee Equipment had the BEST price I could find. Plus they're right here in my back yard to boot! Happy to support my local economy.
Date published: 2015-08-26
Rated 5 out of 5 by from Wonderful change I just use my first "square filter" from CHEMEX and although I was a bit doubtful about the change, it was a nice surprise to see how easy to grab and dispose the item after use and how faster is to filter the coffee now.
Date published: 2016-05-19
Rated 5 out of 5 by from filters must use when using chemex maker otherwise the benefit of the coffee maker will not be realized.
Date published: 2014-03-24
Rated 5 out of 5 by from Excellent filter I gave this as a gift to my sister. It works great, is beautiful, and presents super well.
Date published: 2016-01-23
Rated 5 out of 5 by from Coffee filters What more can one say other than they work never a bad cup
Date published: 2014-02-27
Rated 5 out of 5 by from Accept no substitute Genuine Chemex filters at a great price. Simply the best!
Date published: 2014-02-17
  • 2016-07-25T09:48CST
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How large is the square?

Asked by: Lisa
Hi, Lisa The square filter will fit snugly into any Chemex brewer above the 3 cup size, just as the circular filters do. The unfolded square is approximately 6x6 inches or so.
Answered by: Rfelb
Date published: 2013-11-29
  • 2016-07-25T09:45CST
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