100Pcs Rubber Stoppers Self Sealing Injection Ports For 13Mm Glass Bottles

Specification Material: Butyl Rubber Color: Grey Outer Diameter: 12.5mm /0.49"(appr.) Inner Diameter: 7.2mm /0.28"(appr.)

Features 1: Provide bottle a tight seal with this snap-on stopper 2: Material of durable butyl rubber, good heat stability. 3: Rubber Bottle Stoppers Self Healing Injection Ports. 4: Designed for a 13mm or 1/2 inch diameter hole opening. 5: Widely used for liquid culture, BRF Jars, Supplemented substrate jars, Grain Masters.

Package included 100 X Injection Ports The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.