"WardsSci000559"

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

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

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

One Pound of Solid Rubber Stoppers in Various Sizes.

Size Top Diameter Bottom Diameter

Size 1 11.1 mm 8.3 mm

Size 2 12.7 mm 9.5 mm

Size 3 14.2 mm 10.7 mm

Size 4 15.8 mm 11.9 mm

Size 6 19.0 mm 14.6 mm

Size 20 41.2 mm 34.0 mm

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

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

Superior Grade Rubber Offers Softness, Resiliency, and Durability.

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