Mushroom Growers' jar lids kit 12x4 different types of cultivation jar lids attached with a self-healing injection port and a syringe filter

  

12x wide mouth plastic jar lids attached with a 20mm injection port and a 0.22-micron syringe filter. 12x regular size plastic jar lids attached with a 13mm injection port and a 0.22-micron syringe filter. 12x wide mouth snap lids attached with a 20mm injection port and a 0.22-micron syringe filter + 12x wide mouth rings. 12x regular size snap lids attached with a 12mm injection port and a 0.22-micron syringe filter + 12x regular size rings.

All types of jar lids that you need to grow mushrooms. Injection ports and syringe filters attached by using heat resistant rtv silicone and all jar lids autoclavable. Plastic jar lids are perfect for liquid cultures and metal jar lids are a good option to use for grain jars or brf cake jars.

This item is made of mason jar lids and jar lids, syringe filter, rubber stopper, self healing injection port.