13mm Wafer Vial Stoppers, Gray, Bag of 1000

A unique 13mm serum vial closure with characteristics of a septa combined with a stopper. The lower plunger portion is much shorter than the usual 13mm vial stopper to allow greater filling in a vial. It is also ideal for stoppering a vial which holds pellets that would otherwise get lodged in the divet of a normal 13mm stopper.

NOTICE: This product does NOT have any special coating, such as Teflon.

Sold as a resealable plastic bag of 1,000 pieces.