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Silicone 'Self Healing' injection ports for jar lids. These allow for jars of grain spawn to be inocluated with liquid cultures without the use of a flow hood. 


Diameter of top disc is 12mm and size of hole in the jar lid should be 6mm. 


Can be push fitted, or glued in with a small amount of silicone. 


Autoclavable. Set of 12. 

Silicone Injection Ports for Jar Lids x 12


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