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Airlock with yellow cap. It protects against flies, oxidation and contamination during fermentation. Suitable for containers in the range of 1-50 l. Fits a 9mm hole. The Airlock filled halfway with water acts as a kind of siphon, keeping beer or wine out of the outside air. No bacteria from outside can enter, but...
It is easily installed in a barrel or in the top cover of a tank, placing the disinfectant antiseptic liquid in the safety valve, so that the air entering or leaving is purified.
Hydraulic plastic valve that allows the conservation of the wines contained in a barrel or tank of 220 liters maximum.