Take your coffee brewing to the next level with the B3 FLAT Specialty Coffee Filter! This cutting-edge filter, developed in collaboration with World Brewers Cup Champion Matt Winton, offers a fast, smooth flow while delivering a clean, sweet cup every time. The flat-bottom design ensures even extraction, giving you unmatched flavour clarity and depth.

Crafted from 100% organic paper and made in Barcelona, the B3 FLAT filter is the first of its kind—rigid, innovative, and perfect for serious coffee lovers.

Features

Revolutionary Design: The world’s first flat-bottom, non-fluted filter.
Expert Collaboration: Developed with coffee legend Matt Winton.
Exceptional Performance: Fast flow, even extraction, minimal bypass, and a cleaner, sweeter brew.
Eco-Friendly Materials: 100% organic paper, proudly made in Barcelona.

Specifications

Material: 100% organic paper
Design: Flat-bottom, non-fluted
Compatibility: Flat-bottom brewers including Orea, Kalita, April, and Stagg X
Collaboration: Developed with Matt Winton, 2021 World Brewers Cup Champion
Contains: 100x small filters