38mm Screw Cap with Hole for Airlock. Fits 1 Gallon Glass Jugs as well as growlers or other 38mm threaded glass bottles. You can use these along with a pack of EC-1118 Yeast, a small dose of Yeast Energizer and a jug of Triple Jim’s apple juice from your favourite grocery store to make your own cider at home!

Maximum Temperature: 75 °C (167 °F)