Do you ever experience cold and sour or bitter coffee and should brew again and again which causes you a big bad feeling?
The reason is the coffee paper you used has poor filtration or the bottom seam breaks out.
Our #4 filter paper will definitely give you a different feeling.

Great material:
The biodegradable unbleached coffee filter paper is made from imported Japanese paper, which has strong and better flow through. They don't have chemicals and no papery taste that give you a good experience.

Compatible with:
Simple brew coffee maker,
Drip coffee maker,
Fan-shaped filter cups.

SIMPLE TO USE:
1. Fold the filter paper along both sides.( Important)
2. Unfold and put the filter paper into the v-shaped filter cup (not included), soak the filter paper to make it fit the filter cup effectively.
3. Add boiling water to fully moisten the filter paper, then pour out the water.
4. Add an appropriate amount of coffee powder.
5. Add 197 °F hot water to brew.
6. Enjoy your coffee time.

Package Quantity:1
Product size: 7.48" * 4.33" * 1.96"