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Cole-Parmer Essentials Two-Hole Black Rubber Stoppers, Standard Size 1; 63/Pk

Catalog No. NC2100640 Shop All Cole-Parmer Products
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These two-hole black stoppers made with solid natural rubber stay pliable over a long period of time. Provide good tightness and adhesion, withstand laboratory conditions without hardening, and are ideal for use with nonaggressive or low concentration solutions. Each stopper has its size marked in raised figures. Low sulfur content. Withstand temperatures from 13 to 158F (25 to 70C).

This item is not returnable. View return policy
Catalog No. NC2100640 Supplier Cole-Parmer Supplier No. 6299172
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These two-hole black stoppers made with solid natural rubber stay pliable over a long period of time. Provide good tightness and adhesion, withstand laboratory conditions without hardening, and are ideal for use with nonaggressive or low concentration solutions. Each stopper has its size marked in raised figures. Low sulfur content. Withstand temperatures from 13 to 158F (25 to 70C).

This item is not returnable. View return policy
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