• A flat bottomed coffee dripper with three holes on its bottom. 
• There is minimal contact between the Wave dripper and the Wave filter which allows a smooth coffee extraction. 
• Kalita Wave drippers will help anyone easily make a delicious cup of coffee regardless of your pouring technique.
• Drippers are either made of heat-resistant glass or Stainless Steel.
• Kalita Wave 155 filters compatible with the 155 dripper and Kalita Wave 185 filters are compatible with the 185 dripper.

NOTE: Use with Wave Filter 185 for Wave 185 Dripper and Wave Filter 155 for Wave 155 Dripper.

https://www.benkibrewingtools.com/collections/filters/products/kalita-wave-filter-papers

Also Compatible with "Benki Wave Kalita Compatible Filters" Wave Filters 185 for Wave Dripper 185 and Wave Filters 155 for Wave Dripper 155

https://www.benkibrewingtools.com/collections/filters/products/benki-wave-filters-kalita-compatible