CoffeeSock Organic Cotton (AeroPress) vs AeroPress Paper Micro-Filter

Fits

AeroPress

Flow

Unknown · Unknown

Material

Cloth

Reuse

Washable, reusable

Availability

In production

How it brews

A reusable organic-cotton pad cut to the AeroPress filter cap, from CoffeeSock. Cloth sits between paper and metal: the cotton absorbs some of the oils a metal disc would pass, yet lets the acids through, so the cup reads clear and crisp without the papery note of a fresh paper filter. It's washable, lasts about a year of daily use, and composts at the end of its life. No published within-seat flow rating, so we leave flow unrated.

Fits

AeroPress

Flow

Unknown · Unknown

Material

Paper · Cellulose

Reuse

Single-use

Availability

In production

How it brews

The small round paper disc that drops into the cap of a standard AeroPress — the same filter covers the Original, the Clear and the Go, which all share the one cap seat. Its job is simple: it sits under a pressed column of water rather than a gravity drip, so the paper mostly catches fines and oils and keeps sediment out of the cup, giving the clean finish people tend to associate with a paper AeroPress. AeroPress publishes no flow rating for it and there's no reliable within-seat ranking against, say, the metal reusable disc, so we leave flow unrated rather than guess. A quick rinse is common practice to knock back any paper note, and the XL brewer takes its own larger disc that does not fit this cap.