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Stoppers

Stoppers

Leak-proof, solid stoppers seal bottles, flasks, vials, and even tubing to prevent liquids and gases escaping. Multi-hole styles provide the limited flow stability conditions desired in order to prevent air bubble build up. With a slightly tapered design, different diameter sized stoppers are inserted in labware for a snug fit that still allows easy removal. The closures are manufactured in different materials for accurate resistance to harsh contents and can maintain vacuum atmosphere.

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Corks

Corks

Corks

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Rubber Stoppers

Rubber Stoppers

A superior grade of rubber that has softness, resiliency, and durability

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Rubber Stoppers, 1 Hole, United Scientific Supplies

Rubber Stoppers, 1 Hole, United Scientific Supplies

Solid, black stoppers contain a high percentage of pure rubber and weigh less than neoprene.

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2-Hole Natural Rubber Stoppers

2-Hole Natural Rubber Stoppers

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

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1-Hole Natural Rubber Stoppers

1-Hole Natural Rubber Stoppers

Superior Grade Rubber Offers Softness, Resiliency, and Durability.

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Student Cork Assortment

Student Cork Assortment

A convenient assortment for student use.

   Sustainable Options Available
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Assortment of Solid Rubber Stoppers

Assortment of Solid Rubber Stoppers

One Pound of Solid Rubber Stoppers in Various Sizes.

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Assortment of One-Hole Rubber Stoppers

Assortment of One-Hole Rubber Stoppers

One Pound of One-Hole Rubber Stoppers in Various Sizes.

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Assortment of Two-Hole Rubber Stoppers

Assortment of Two-Hole Rubber Stoppers

One Pound of Two-Hole Rubber Stoppers in Various Sizes.

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Assorted Rubber Stoppers

Assorted Rubber Stoppers

Solid, 1-hole and 2-hole stoppers in assorted sizes.

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Rubber Stopper Assortment

Rubber Stopper Assortment

Solid, 1-Hole, 2-Hole, and 3-Hole Stoppers in Assorted Sizes.

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Foam Plugs

Foam Plugs

These foam plugs are designed to fit most test tubes and vials.

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Neoprene Stoppers

Neoprene Stoppers

Versatile neoprene stoppers perfect for every laboratory.

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Polypropylene Stoppers

Polypropylene Stoppers

These lightweight and durable polypropylene stoppers are acid proof and autoclavable.

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Twistit® Rubber Stoppers

An outstanding advance in rubber stoppers, four stoppers in one reduce inventory confusion and cost.

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XXXX Quality Corks

XXXX Quality Corks

XXXX Quality Corks have a fine grain and are ideal for use as tight-fitting stoppers.

   Sustainable Options Available
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