Stündenglass Single Glass Upstem - Percolated (Large)

The Stündenglass Single Glass Upstem – Percolated (Large) is an official glass upgrade and replacement designed for compatible full-size Stündenglass Gravity Infusers. Hand-blown from borosilicate glass, it replaces the standard aluminum upstem while adding precision-cut percolation slits for enhanced diffusion and filtration.

The transparent glass construction also adds a distinctive visual element to the Stündenglass system, allowing the movement through the upstem to remain visible during rotation.

Sold individually. Each Large Glass Globe uses one upstem.

Key Features

• Hand-Blown Borosilicate Glass — Individually crafted from premium borosilicate glass.
• Precision-Cut Percolation Slits — Designed to increase diffusion and filtration.
• Percolated Design — Provides additional filtration compared with the Straight Glass Upstem.
• Replaces the Standard Aluminum Upstem — Official glass alternative for compatible Stündenglass setups.
• Transparent Construction — Adds visual interest by allowing the internal movement to remain visible.
• 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

• Enhanced Diffusion — Precision-cut slits disperse airflow through the water.
• Additional Filtration — Percolated construction provides increased filtration compared with a straight upstem.
• Glass Upgrade — Replaces the standard aluminum component with hand-blown borosilicate glass.
• Enhanced Visual Design — Transparent glass showcases the movement of the Stündenglass system during rotation.
• Official Compatibility — Purpose-built for compatible full-size Stündenglass Gravity Infusers.
• Replacement or Upgrade Option — Suitable for replacing an existing upstem or upgrading a compatible setup.

Specifications

• Product Type: Replacement / Upgrade Upstem
• Style: Percolated
• Size: Large
• Material: Hand-Blown Borosilicate Glass
• Percolation: Precision-Cut Percolation Slits
• 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 – Percolated (Large)

Gravity Infuser and Glass Globe sold separately.

Enhanced Diffusion in a Hand-Blown Glass Upgrade

The Stündenglass Single Glass Upstem – Percolated (Large) replaces the standard aluminum upstem with a hand-blown borosilicate glass component featuring precision-cut percolation slits. Designed to increase diffusion and filtration while adding a transparent visual element to every rotation, it provides a functional and distinctive upgrade for compatible full-size Stündenglass Gravity Infusers.