The Stündenglass Single Glass Upstem (Large) replaces your standard aluminum upstem with a premium borosilicate glass piece featuring precision-cut percolation slits that filter and diffuse vapor for a noticeably smoother draw. An elegant upgrade that adds visual flair to every rotation.

Features

• Hand-blown borosilicate glass construction
• Precision-cut percolation slits for enhanced diffusion and filtration
• Sold individually — each Large Glass Globe uses one upstem

Compatibility

• Compatible with: Full-size Stündenglass Gravity Infuser with Large Glass Globe
• Not compatible with: Stündenglass Kompact, Pineapple Globes, or Champion's Boxing Glove Globes