#6.5 Stopper With 2 Holes
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$4.99
#6.5 Stopper Drilled For Thermowell and Airlock
This stopper has two holes--one 3/8" hole and one 1/4" hole. A racking tube or stainless tube can be inserted into the 1/4" hole forming an airtight seal, and the 3/8" hole fits an airlock.