13mm/20mm Medical grade butyl rubber Self-Healing Injection Ports.
These high quality injection ports are made from thick butyl rubber, which is autoclave safe and reusable.
- Liquid Culture jars
- Grain jars
- BRF / PF containers
13mm ports fit a 7mm hole. 20mm ports fit a 12mm hole.
These high-quality butyl rubber injection ports are reusable several times – even with larger gauge needles such as those used for liquid cultures.
For optimal air-tight fit, consider affixing the injection port with high-temperature RTV silicone.