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10 x Bored Rubber Bungs to take Bubbler Airlocks. Suitable for use with standard One Gallon Glass Demijohns. Approx Dimensions: Top - 31mm Approx Dimensions: Base : 27mm
10 x Bored Rubber Bungs to take Bubbler Airlocks. Suitable for use with standard One Gallon Glass Demijohns. Approx Dimensions: Top - 31mm Approx Dimensions: Base : 27mm