20mm butyl Stoppers Mushroom 100 pcs,For Glass Vial and Liquid Culture Jars, Can Be Sterilized by Steam and Repeated Used

★★★Used for 20mm glass vial and liquid culture jars

★★★Self Healing Rubber Stoppers----Can create a great solid seal.

★★★It is reusable and not out of shape.

★★★Great for liquid culture, BRF Jars, injection, Supplemented substrate jars, Grain Masters

★★★Excellent Heat Stability (Butyl Rubber)-----Can be sterilized by steam under high pressure.

Features

Material: Butyl Rubber

Size: 20mm

Quantity: 100

Weight: 2g/Pcs

Application: liquid culture, BRF Jars, injection, Supplemented substrate jars, Grain Masters