Ø40/43 mm demijohn stopper with a closure BROWIN 647344 4.2x4.2x3.7 cm

Introducing the innovative and highly practical Ø40/43 mm stoppper by BROWIN, designed specifically for sealing carboys and demijohns. This stopper features a permanently attached, closable opening for the airlock, as well as a special flange that prevents it from being pushed inside the container.

• Innovative design: The stopper includes a permanently attached, closable opening for the airlock.
• Durable material: Made from thermoplastic elastomer, it provides excellent strength and flexibility.
• Closure with 'click' function: Once fermentation is completed, the stopper can be closed securely with a reassuring 'click' sound.
• Special flange: Facilitates easy removal while preventing the stopper from being pushed inside the carboy or demijohn.
• Made in Poland: A premium quality product from Poland.

Compatible with all airlocks in our product range.

Compatible carboys: 640013, 640132, 640133, 640135, 640215.

Compatible demijohns: 644005, 644010, 644015, 644020, 644025, 644034, 644454.