These black plastic polyseal screw-on growlers caps are designed to work beautifully with beer growlers as well as gallon jugs. They are lined with a poly-cone interior that enables an exceptionally tight seal. Constructed from an oil-resistant plastic, these growler caps feature a 38mm threading. A great replacement cap for breweries, distributors and even home brewers! Sold in packs of 4.
- Perfect for standard 38mm beer growlers / gallon jusgs
- Features a polyseal interior
- Contructed from durable oil-resistand plastic
- Cap diameter: 1 1/2"
- Sold in packs of 4