Liquid Culture Lid for Grain Spawn Cultivation- Food Grade Plastic 6 Pack

 Our lids for growing mushrooms and spawn work fantastic!

All-in-One Wide Mouth Plastic Mason Jar Lids with Self-Healing Injection Ports.

Lid Material: food grade Polypropylene
Lid diameter:86mm
Available fit all glass canning jars.
Lid comes with two self-healing injection ports for injecting culture to inoculate the substrate more average and a PTFE syringe filter for avoid contamination without glue, more healthy for mushroom growing.
These lids can be used in a microwave, autoclave, or pressure cooker.
Our professional-grade autoclavable wide-mouth jar lids are built to be lab-quality and made specifically for liquid culturing .
Leave the lids a quarter turn loose while in the pressure cooker so air can escape, otherwise, the injection ports will pop out.