Plastic Screw Cap (With Hole) 38mm
This reusable 38 mm screw cap will fit our 1 gallon and 1/2 gallon jugs and growlers.
It is made of plastic and has a hole in the middle, which works best with our 3 piece airlock.
For 1 gallon jugs designed for home brewers who like to make smaller batches.
Cap with hole to accommodate airlock.
Perfect for small batch experiments or yeast starters.
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