38mm Screw Caps

38mm caps for gallon and half gallon jugs and growlers.

Metal are one time use. Metal screw caps with waxed liner. Fits standard screw top style growler and jugs with a 38mm closure size. May not fit all brands of growlers and jugs.

Polyseal are intended for reuse. Polyseal screw caps with polyethelene liner for excellent seal. Fits standard screw top style growlers and jugs with a 38mm closure size. May not fit all brands of growlers and jugs.

The Plastic with Airlock hole are designed for use with one gallon jugs and cubitainers. Designed for home brewers who like to make smaller batches. Cap with molded hole to accommodate econolock (airlock) only. This a BPA free product.