"Gary K. benson"

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

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

Corks

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

Cork stoppers function as a closure for bottles, vials, laboratory vessels and other openings.

Versatile neoprene stoppers perfect for every laboratory.

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