I broke my 5 cup, which I replaced, but I wanted a size in-between for the just me times. The stem fits a little shorter than the 5 cup which goes down to the bottom of the base. This leaves more water in the bottom pot. (don't over fill remember its 3 cups on top if you don't want a spill over) To avoid a weak cup of coffee, when the coffee syphons back down into the extra water, just put enough grounds for your 5 cup bottom to even it out. Just remember your ratio of grounds to water. When my 5 cup arrived I use this 3 cup as my backup chamber while the prices are good. I broke the 5 cup by accidentally hitting it against something in the trash. Warning...I saw a YouTuber pick up the hot top chamber with two fingers around the rim to break the seal. This is a sure way to snap off a piece of the thin glass. Use your palm "on the outside of the glass - near where the grounds settle to "gently" rock the top chamber to break the pressure seal. You will avoid breaking the chamber and possible avoid cutting yourself if you are heavy handed. This goes for any of the syphon pots. Enjoy!!Read full review
Verified purchase: Yes | Condition: New
Not a lot to state, as the purpose of the Hario upper chamber is singular and simple. In that regards. I will add that the shipper did a great job of packaging. These things are exceptionally fragile.
Verified purchase: Yes | Condition: New
Replacement for my mysteriously missing Hario upper chair. This one has slightly smaller diameter than my original, but it works.
Verified purchase: Yes | Condition: New
The stem is too long
Verified purchase: Yes | Condition: New
Great product
Verified purchase: Yes | Condition: New
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