Differences in the Coffee Filter

Differences in the Coffee Filter

What is a coffee filter and what types are there?

One such product is a filter that prevents ground coffee from getting into the brewed coffee when the coffee is being prepared. There are coffee filters in a wide variety of designs such as filters made of copper, plastic, glass, stainless steel, as disposable filters made of filter paper and as so-called “Chemex filters”.

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A little history of the coffee filter

Long before fully automatic coffee machines prepared cappuccino and latte macchiato at the push of a button, coffee was brewed manually with hot water. By doing this, coffee grounds often settled between the teeth. That bothered the Dresden housewife Melitta Benz. She considered how this could be changed. In 1908 she punched holes in the bottom of a brass pot and covered the holes with blotting paper she took from her two sons’ exercise books. She put the pot on a pot, added coffee powder and hot water, and so the pure coffee dripped into the pot without any residue.

How it went on

This was the hour of birth of the coffee filter and a little later of the company ” Melitta “, which is still active today. In the summer of 1908, she settled with the Imperial Patent Office in Berlin their invention ” coffee filter with by curved bottom, with a drain hole provided soil and loose inset screens” patented and founded in December of the same year with her husband and their children’s well-known today family with a Equity of just 73 pfennigs.

The product, formerly known as the “ filter apparatus ”, received gold and silver medals at the international hygiene exhibition in Dresden in 1910. A decisive step was taken in 1936 with the filter body tapering downward in the shape of a slot. In addition, there were the coffee filters known today as “filter bags”. What is also interesting about this story is that to this day only Melitta products are allowed to be called “filter bags”! The term “coffee filter” can mean both the filter itself and its “insert”.

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The copper coffee filter using the example of the “Hario v60 02” model

This visually elegant product is particularly light, extremely robust and easy to clean thanks to its removable silicone rubber holder. With this version you can prepare two to three cups of coffee perfectly. As a further development of the classic Melitta hand filter, this product is popular with coffee connoisseurs all over the world. The number 60 stands for the inclination angle of 60 degrees and the letter “v” for its cone shape. The Hario v60 02 has a single, conical bottom opening that is significantly larger than that of many other filters. Due to the steeper angle of inclination and the larger opening in the bottom, the flow of coffee does not build up, but flows precisely into the cup. The curved grooves with wide spaces in the inside of the filter support the circulation of the water. In this way, the coffee always keeps moving and is extracted evenly.

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The plastic coffee filter

Such a product is light in weight, but not exactly visually appealing. Coffee preparation always has something to do with aesthetics and a plastic filter is not exactly suitable in this regard.

The coffee filter made of glass, for example the “Hario v60”

Suitable for the preparation of 1 to 4 cups, the Hario v60 filter has a higher angle of incline and conical indentations on the inner wall. In this way, all the aromas are removed from the flour even more thoroughly, without the coffee tasting too thin or even bitter. The large opening in the bottom allows the coffee to flow perfectly into the pot.

Hario v60 02: the stainless steel coffee filter

If you choose such a product, you will receive a very light and robust product. Equipped with a removable holder made of silicone rubber, this coffee filter is easy to clean. You can use this model made of polished stainless steel to prepare 2 to 3 cups of coffee.

The cotton filter

Similar to a filter holder with a paper filter in terms of its function, you can reuse such a cotton filter. It is useful for taking with you when traveling and camping because it is light and robust.

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The coffee filter for Chemex

The Chemex coffee carafe was created in 1941 by the German chemist Dr. Peter Schlumbohm. The Chemex filter tapers to a point.

Due to this conical shape, the coffee extraction can take place more evenly and the aromas have the opportunity to dissolve more intensively. The chemist also invented the associated paper filter, which is a little finer-pored and denser than conventional filter paper.

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The hand filter

There are many different models in the hand filter sector. The porcelain coffee filter from the company “Hario”, which you can find in two sizes, 01 and 02, is recommended. The former is suitable for making one cup, and 02 is suitable for making 1 to 4 cups of coffee.

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The permanent filter for AeroPress

This is a reusable alternative to the standard paper filters for the AeroPress. Environmentally friendly and made of stainless steel, such a filter ensures that more oils can get into the cup that would otherwise be bound in the paper.

Conclusion

The coffee filter prevents parts of the ground coffee from getting into the brewed coffee during the preparation of the coffee. The term “coffee filter” is used both for the product and for the “inserts” in such a product. It is available in the following variants:

  • copper
  • plastic
  • Glass
  • stainless steel