28 Rubber Stoppers, assorted sizes, Black Tapered Lab B

The product is a set of 28 black tapered rubber stoppers, designed for use in biological laboratories. Made from high-quality rubber and originating from the United States, these stoppers come in assorted sizes to fit different laboratory needs. With a weight of 15 oz, these stoppers are a reliable and essential item for sealing and stopping laboratory equipment or containers during experiments and tests.

4 Pcs 2-Hole Rubber Stopper, Tapered Seal Tube Stopper Plug, 28x24x25mm Black

Description:Durable Material: The laboratory sealing plug is made of solid rubber, high density, elastic and good sealing, wear-resistant and not easy to deform, and durable.Tapered Design: Our lab rubber plug has a conical side, a smooth surface, easy to insert and remove, with good sealing and insulation performance. Very suitable for laboratory and industrial use.Easy to Use: These solid rubber plugs are easy to install, just insert the rubber plug into the mouth of the glass bottle, and gently turn to ensure that it is in place, and a firm fit.Application: Our rubber plugs are suitable for a variety of laboratory and industrial applications, including chemical reactions and sample storage, used to plug and seal test tubes, containers, flasks, pipes, and other experimental instruments to prevent leakage.