Why single-dose storage matters

Every time you open a coffee bag or canister, you let in fresh oxygen. Do that daily over a couple of weeks and the last doses in the bag taste noticeably flatter than the first. The Bean Cellar sidesteps this by dividing a bag into individual portions the moment you open it. Each tube is sealed with a one-way valve cap: CO2 released by freshly roasted beans pushes upward through the valve, displacing the lighter oxygen. The beans end up sitting in a CO2-rich environment until you’re ready to grind. Weber notes that ambient room light does not meaningfully affect freshness in their testing, so the clear glass is not a concern as long as you avoid direct sunlight.

Teak & Brass vs. Stabilized Maple Onyx

The glass cellars, aluminum caps, valve system, brass handle, and stainless steel funnel are the same across both variants. The difference is the caddy and the included brush. The Teak version uses a solid teak caddy with brass hardware and comes with a rosewood and brass coffee brush. The Stabilized Maple Onyx version uses European maple that has been dried below 5% moisture and pressure-infused with clear resin in an autoclave, a stabilization technique borrowed from knife-making and luthiery that makes the wood resistant to warping from moisture and temperature changes. The Onyx caddy and its matching brush are then flame-polished (literally set on fire), which creates a dark, charred surface with natural surface imperfections and fissures in the grain. Weber considers these part of the character of the finish, so expect variation between units.

Specifications

What’s in the box

• 12 borosilicate glass Bean Cellars with one-way valve caps
• Solid caddy (Teak or Stabilized Maple Onyx, depending on variant)
• Solid brass handle and hardware
• Stainless steel bean funnel
• Coffee brush (rosewood & brass for Teak, flame-polished for Onyx)
• 3 spare borosilicate cellars (without caps)