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Wheaton W224100-181 Rubber 20mm Snap-On Style Stopper, Gray Chlorobutyl/46 (Case of 1000)

Product ID : 22447285


Galleon Product ID 22447285
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21,064

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About Wheaton W224100-181 Rubber 20mm Snap-On Style

This design provides maximum sealing for vials with a blow-back glass finish, which is a small ridge on the interior of the vial’s neck. The snap-on stopper locks into the blow-back ridge, providing a tight seal and keeping the stopper from backing out. This style is not recommended for vials with a straight-walled finish. The blow-back feature is typically found in vials from North American manufacturers.