All-in-One Plastic Mason Jar Lid with Self-Healing Injection Ports and Syringe Filter

This is the all-in-one solution for your liquid culture, grain spawn cultivation needs!

These All-in-One Plastic Mason Jar Lids take the work out of your grain spawn set-up: no more cutting, gluing, or extra work. Made from food-grade plastic, they are reusable and autoclavable making them a safe, reliable, and cost-effective choice for home and commercial growers alike.

All-in-One Wide Mouth Plastic Mason Jar Lids with Self-Healing Injection Ports and Syringe Filter are great for beginning cultivators!

• Lid Material: food grade Polypropylene
• Lid diameter:86mm
• Available in Wide Mouth and Regular Mouth sizes to fit all glass canning jars.
• The second generation 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.