This screw cap fits onto half-gallon and one-gallon jugs and has a hole in the middle for an airlock. Cap with a molded hole to accommodate either S-shaped or cylindrical airlocks. These caps can be used as a replacement for stoppers when doing small batches of beer, wine, mead, and cider. Very easy to clean. BPA Free. Maximum temperature: 75 °C (167 °F).
Qty available: 29