Bonded Pre-Folded Square Filters, 100-Pack

The object

CHEMEX’s square filters arrive pre-folded, making preparation a matter of opening the cone and placing it in the brewer. The manufacturer specifies paper that is 20–30% thicker than much competing filter paper. Each box contains 100 filters.

Fit is the key buying check: these work with CHEMEX coffeemakers except the three-cup Classic, Handblown, and Glass Handle models and the Funnex. Those models require the smaller half-moon format. During setup, place the three-layer side against the pouring spout as CHEMEX directs.