For Coffee Syphon: A genuine replacement for your Hario’s Technica Syphon.

How To: The Upper Bowl with rubber is placed right above the lower bowl to help churn the vacuum brewing process. The upper chamber is where the coffee goes into.

Features: Theis spare Upper Chamber is for Hario’s Technica 3-cup Syphon. The borosilicate glass is heat resistant and at par with the original standard material. The chamber can hold up to two cups of coffee.