GROHE Blue Accessories - Carbon Dioxide for Food and Beverage (Purity CO2 99.9% v/v Min. Volume 1 Bottle 425 g, for Up to 60 Liters of Sparkling Water), 40651000

Had to return as box was badly damaged and was a gift but I’m sure the gas would have been fine. Amazon exchanged without difficulty.

Does what it’s supposed to do! Compatible with my drinkmate, found it on sale for less than the official canisters so bought a few. Nothing exciting to say, they just work. Worth buying if they are cheaper than alternatives.

Works with my sage carbonater all good

I use the co2 bottle from Grohe, it does the job, and it's the most convenient i could find. i use it on my Arke carbonator and fit perfectly.