page title icon 12 Gray Rubber Bottle Stoppers Self Healing Injection Ports for Mason Jar Lids

12 Gray Rubber Bottle Stoppers Self Healing Injection Ports for Mason Jar Lids

Amazon.com Price: $2.99 (as of 20/03/2021 18:15 PST- Details) & FREE Shipping.

Able to be used in sterilizers and autoclaves
Reusable
self healing

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Description

Up for sale here is a lot of 12 rubber bottle stoppers. These stoppers can be used to make self-healing injection ports in Mason jar lids or medicine bottles. Mainly used for mushroom growing and liquid culture production. Use with hypodermic needles to inject cultures, therefore never needing to remove the lids on your culture jars. They fit 13 mm (0.5118”) diameter opening. They are 3/4″ across the top, and 5/16″ top to bottom. Simply use a 7/16 to 1/2 inch drill bit and drill a hole in metal or plastic jar lid and the stoppers pop right in place. Thanks for checking us out!!
Able to be used in sterilizers and autoclaves
Reusable
self healing
more quantities available

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