Product Information
- 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.