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  • Sale! Injection ports for spawn jar lids

    Self-healing Injection Ports for Spawn Jars

    Original price was: $6.99.Current price is: $5.49.

    • Made of durable butyl rubber with excellent heat resistance.

    • Multi Use Rubber Bottle Stoppers Self Healing Injection Ports.

    • Designed for a 13mm or 1/2 inch diameter hole opening.

    • Widely used for liquid culture, BRF Jars, mushroom cultivation, or substrate spawn jars.

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