These paper filters are designed to properly extract the full potential of your coffee. They are made of laboratory-grade paper for consistently precise flow-through performance. Made of 100% virgin wood pulp. 100 count.
 
Ratio Six Coffee Maker
 
Dimensions:
- Bottom ‘flat’ portion width: 3.5in / 8.8cm
- Top edge of ‘ribbed’ portion height: 2.25in / 5.7cm
- Top edge of ‘ribbed’ portion width 5.75in / 14.6cm