Oxygen cleansed. Does not suit the 3 Cup Classic model.
Chemex 3 cup filters
$23.95
Chemex Chemex 6-10 cup filters
100 units of flat, bleached papers for 6 cup Chemex brewer
More Chemex gear
Chemex 6 cup
$86.50
How to brew with Chemex
Chemex
Brew pour-over coffee for one or a crowd