The V60 dripper, also called cup dripper or dripper mug is probably the best coffee dripper out there. Hario has been manufacturing glassware since early 20th century and V60 set-up is one of their most popular brewing inventions. The bigger V60 02 size is preferred by cafes and baristas to brew 1 to 6 cups (depending on your cup size). The Hario V60 drippers retain the heat much better than a regular fan dripper. The Hario coffee dripper produces more extraction than the flannel filter.