This two hole silicon stopper is perfect for use in either degassing or racking! The smaller hole accommodates the stainless steel tube on the Blichmann vacuum pump, and the larger hole can accommodate either a 1/2" stainless steel racking cane for vacuum racking, or a #00 stopper to create a vacuum for degassing your wine. Helpful in either application and comes in handy as a replacement or backup to the ones included with the Blichmann vacuum pump products.
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