Sibarist B3 Wave Filters

The Sibarist B3 Wave filter is a premium flat-bottom paper designed for 2–4 cup brewers such as the Kalita Wave, OREA, and April drippers. Engineered for balanced extraction, it provides a moderate flow rate that sits between ultra-fast papers and traditional filters, making it ideal for achieving clarity with body and sweetness in the cup.

Performance

The B3 filter’s slightly thicker, lower-porosity paper ensures even saturation of the coffee bed and consistent flow during pouring. This design reduces the risk of uneven extraction while allowing more control over brewing variables, including grind size, pour speed, and agitation. Its balanced flow makes it forgiving for various pour-over techniques without sacrificing cup quality.

Flavor Profile

B3 filters produce a clean cup with fuller body compared to high-permeability fast filters. By retaining more oils and fine particles, the filter highlights sweetness, complexity, and depth while maintaining clarity. This makes it particularly suitable for naturally processed or honey-processed coffees, or any bean where you want a richer, more nuanced cup.

Construction & Materials

Made from 100% organic, sustainably sourced fibers and FSC-certified packaging, B3 filters are designed for high performance without imparting paper taste. Their structural integrity supports repeated saturation without collapsing, ensuring consistent extraction for every brew.