About This

• Package Includes:64pcs Synthetic Filter Paper Stickers-20mm Diameter,0.25Micron Filter,Used For Mushroom Cultivation, Place Under The Mason Jar Lids+100 pcs Self Healing Injection Ports, 20mm Vial Rubber Stoppers, for 0.51in/13mm Diameter Opening Mason Jar Lids,Suitable for Glass Vial and Liquid Culture Jars.
• These filter papers are resistant to high temperature and high pressure. It can be used in autoclaves, steam sterilizers or autoclaves.Autoclavable & reusable.
• Vial Rubber Stoppers- Made of high quality Rubber, these stoppers are durable, washable, reusable, High Chemical-resistant. Perfect for storing any kinds of liquid or solid,good Heat Stability,Butyl Rubbercan be sterilized by steam under high pressure,which is reusable and not out of shape.