说明

• Specification Material: Butyl Rubber Color: Grey Outer Diameter: 12 /0"(appr) Inner Diameter: 7 /0"(appr) Features 1: Provide bottle a good seal with this snap-on stopper 2: Material of sturdy butyl rubber, good warmth balance 3: Rubber Bottle Stoppers Self Healing Injection Ports 4: Designed for a 13mm or half of inch diameter gap opening 5: Widely used for liquid culture, BRF Jars, Supplemented substrate jars, Grain Masters Package integrated a hundred X Injection Ports

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