Product: SUCOHANS 100 peices Mushrooms Self Healing Injection Ports, 20mm Rubber Bottle Stoppers, For 13 mm (0.51in) diameter opening Mason Jar Lids
Brand: SUCOHANS
20mm Self Healing Injection Ports For Mason Jar Lids ■20mm Rubber Stoppers-Vial Rubber Bottle Stoppers Self Healing Injection Ports,Fit 13 mm (0.5118’’) Diameter Opening (100)  Rubber Stoppers:3/4” across the top, and 5/16” top to bottom. ■Install Instruction (1)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. (2)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. self healing injection ports/ injection ports /injection port self healing ports/ silicon injection port /silicone injection port /vial stoppers /stoppers rubber /vial stopper  /mason jars self healing /silicone ports injection ports/ 1/4 in self healing ports /injection ports /self healing injection ports/ vial stoppers /self healing rubber injection ports /self healing injection port /20ml vial stopper /silicon injection port /self healing injection ports /10ml vial stopper injection port /self-healing injection ports /stoppers rubber /self healing port /self-healing rubber injection ports/ self healing injection ports for mason jar lids
Lids For Mason jars:Mushroom Liquid/spawn Culture Regular Mouth Lids
Mainly Used For mushroom growing and liquid culture production.silicone injection port Use with hypodermic needles to inject cultures, therefore never needing to remove the lids on your culture jars.
Rubber Bottle Stoppers Great for liquid culture, BRF Jars, injection, Supplemented substrate jars, Grain Masters .stoppers can be used to make self-healing injection ports in Mason jar lids or medicine bottles.
Self Healing Port 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.

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