100 Pack DRILLED 6.5 STOPPER White Rubber Stoppers SIZE # 6.5 Fits Glass 3/5/6 Gallon Carboys and 3/8″ Airlocks

Here’s a 100PK of the most necessary bits of kit for homebrewing wine and beer – 3/8″ holed #6 1/2 stopper to fit an airlock to your standard GLASS 3, 5, or 6 gallon carboy.   Bungs it up much tighter than any other stopper.  #6.5 rubber stopper with 3/8in hole is designed for fermentation or food and beverage handling. Fits most 3g to 6.5g glass carboys. Food-grade, BPA-free, injection-molded rubber that provides an excellent grip and air-tight seal on glass and PET surfaces even when wet. Not for laboratory use. Maximum Temperature: 158F (70C).