SCREW CAPS 38/400 WHITE METAL Each – Fits USA Half Gallon Growlers & One Gallon Jugs

These white metal replacement growler caps can restore your favorite beer container back to working order in no time. In stock and ready to ship. Fits most 1/2 gal sized growlers and 1 gal glass jugs. Size is 38/400, metal cap designed with a PE foam layer inside to prevent rust issues and for better seal.  Sold by the each.