patriq solves 2 key problems of winemakers when handling oak barrels
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The surface of oxygen exposure is reduced to only a 30 mm surface inside of the ouilleur vs. the surface below the concave ceiling of a wine barrel
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Clear glass shows the level from across the cellar, removing the need to open & close the barrel to check fill levels, and extending time span required between top ups. An approx. 600 ml reservoir keeps the barrel full for weeks