Stündenglass Single Glass Upstem - Straight (Large)

The Stündenglass Single Glass Upstem – Straight (Large) is an official glass replacement and upgrade for compatible full-size Stündenglass Gravity Infusers. Designed to replace the standard aluminum upstem, it is individually hand-blown from borosilicate glass and features a clean, straight profile for uninterrupted airflow.

Its transparent construction allows the internal movement to remain visible during rotation, adding a refined visual element to the signature kinetic operation of the Stündenglass Gravity Infuser.

Sold individually. Each Large Glass Globe uses one upstem.

Key Features

• Hand-Blown Borosilicate Glass — Individually crafted from durable borosilicate glass.
• Straight Profile — Designed for clean, unobstructed airflow without additional percolation.
• Replaces the Standard Aluminum Upstem — Provides an official glass alternative for compatible Stündenglass setups.
• Visible Internal Movement — Transparent glass showcases the movement through the upstem during rotation.
• Designed for Large Glass Globes — Made specifically for compatible full-size Stündenglass Gravity Infusers using a Large Glass Globe.
• Sold Individually — One glass upstem is included per package.

Benefits

• Clean, Uninterrupted Airflow — Straight construction maintains an open airflow path.
• Glass Upgrade — Replaces the standard aluminum component with hand-blown borosilicate glass.
• Enhanced Visual Design — Transparent construction allows the kinetic movement inside the system to remain visible.
• Official Compatibility — Designed specifically for compatible full-size Stündenglass Gravity Infusers.
• Replacement or Upgrade Option — Suitable for replacing an existing upstem or customizing a compatible setup.

Specifications

• Product Type: Replacement / Upgrade Upstem
• Style: Straight
• Size: Large
• Material: Hand-Blown Borosilicate Glass
• Percolation: None
• Compatibility: Full-Size Stündenglass Gravity Infuser with Large Glass Globe
• Quantity: 1 Upstem
• Brand: Stündenglass

Compatibility Notice

Compatible with:

• Full-Size Stündenglass Gravity Infuser with Large Glass Globe

Not compatible with:

• Stündenglass Kompact
• Stündenglass Pineapple Globes
• Stündenglass Champion’s Boxing Glove Globes

Care

Clean with isopropyl alcohol, then rinse thoroughly with water.

Not dishwasher safe.

What's in the Box

• 1 × Stündenglass Single Glass Upstem – Straight (Large)

Gravity Infuser and Glass Globe sold separately.

A Clean Glass Upgrade for Your Stündenglass

The Stündenglass Single Glass Upstem – Straight (Large) replaces the standard aluminum upstem with a hand-blown borosilicate glass component designed for clean, uninterrupted airflow. Its minimalist transparent construction also showcases the internal movement of the Stündenglass system during rotation, providing both a functional replacement and a distinctive visual upgrade.