This is the engine of the siphon brewing process. Precision-blown from laboratory-grade 3.3 borosilicate glass, this vessel is engineered to withstand the extreme thermal contrast between direct heat application and the rapid cooling of the vacuum phase.
Its spherical geometry is not merely aesthetic; it is designed to optimize heat distribution, generating the vapor pressure necessary to drive water upward into the brewing chamber. Once the heat is removed, the vessel creates a powerful vacuum seal, pulling the finished brew downward through the filter. The result is a dual-purpose masterpiece: a high-performance boiling chamber that transitions seamlessly into an elegant server for your finished coffee.
Key Features:
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Thermal Endurance: Rated for direct flame, halogen, or beam heater application.
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Optical Clarity: Flawless glass quality allows you to observe the physics of the “drawdown” in real-time.
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Ergonomic Balance: Weighted for stability on the stand while remaining light enough for a controlled pour.
