These septa are ideal for moisture or air sensitive applications. Excellent re-sealing capability. Annular serrations depress themselves against the inside wall of the bottle neck, making each serration a suctions sealing point. This closure has turnover flange molded to grip outside of container neck promoting a double seal in conjunction with annular serrations on hollow plug. Ideal for moisture or air sensitive applications.

Size:-

•  12mm.

•  15mm.

•  18mm.

•  25mm.