Senior Airlock

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Senior Airlock works well for sealing your fermentation vessel. Some brewers prefer to use a Senior Airlock inside bored bungs inside glass carboys or demijohns or barrels. Whether you prefer a Senior Airlock or one piece S-Type Airlock is a matter for personal brewing preference. If you want to read more on S-Type vs Senior Airlocks you might enjoy the following blog on the benefits of each: Senior Airlock v S-Type Airlock Substitute Airlocks: S-Type Bubbler Airlock Show more