38mm Metal Growler Screw Cap
Metal screw caps for growlers and wine jugs. Standard 38 mm size (28/400 thread) for growlers, 1/2 gallon, 1 gallon, and 4 Liter wine jugs, white.
Humboldt Beer Works
Humboldt Beer Works is located in Old Town Eureka, on California's beautiful & rugged North Coast.
Locally owned and operated since 2011, and re-established in 2018, we've been committed to offering the highest quality ingredients and equipment, as well as the advice you need to succeed.