O1 Brewer Steel (Raw & Obsidian)

Elevate your morning routine with the O1 Brewer Steel, a premium, flat-bottom coffee dripper designed for ultimate temperature stability and a superior cup. Featuring an innovative double-walled stainless steel construction, this compact brewer perfectly insulates your brew while keeping the exterior cool to the touch. 

Whether you prefer the uncoated, dishwasher-safe elegance of the "Raw" stainless steel or the sleek, ceramic-coated luxury of the "Obsidian" black, the O1 Steel Brewer pairs a timeless, durable aesthetic with a modern, bright flavor profile.

Key Features

• Double-Walled Insulation: A trapped air pocket between the inner and outer walls maintains highly stable temperatures during brewing without burning your hands.
• Raw Finish: Pure, uncoated stainless steel with an electropolished interior (to prevent metallic tastes) and a unique hand-polished exterior that is fully dishwasher safe.
• Obsidian Black Finish: A stunning matte black finish featuring a food-safe external coating and a ceramic-coated interior (hand wash recommended).
• Signature Open Bottom: Promotes low-bypass percolation, highlighting brilliant acidity and delicate balance in your cup.
• Optimized Capacity: Perfect for 10–18g coffee doses (yielding 160–300ml of liquid).
• Broad Compatibility: Fits OREA Wave Small/155, OREA Flat Small/155, and Sibarist Flat Small paper filters, and sits perfectly on most carafes (minimum 5cm diameter).