ABBY-20Pcs Wine Beer Fermentation Check Valve Water Seal Airlock Home Winemaking Exhaust Valve Fermenter Yeast Homebrew Tools

Require Food Contact : Yes High-concerned chemical : None Origin : Mainland China Specification 1 : Wine check valve Specification 2 : Check valve Specification 3 : Check valve for fermentation Specification 4 : Wine fermentation lock Specification 5 : Red wine automatic exhaust check valve