The Kalita Wave 185 is probably one of the best filtercoffee drippers on the market. The wave filters are not included with this dripper, but available in a 100 pack. Blommers is the official Kalita partner in The Netherlands. 

Flat bottom with wave shaped filter

The Wave Series from Kalita is the premier coffee dripper available on the market. The flat-bottom coffee bed geometry, patented "Wave" filter, and three-hole design work together to provide an even extraction that makes brewing a perfect cup accessible and easy. 

For 3-4 cups