Medium Mushroom Grow Bag with Self Healing Injection Port

These gusseted mushroom grow bags are perfect for when you need a self-healing injection site. Each bag measures 5" X 4" X 18" and are made out of 3 mil polypropylene. The filter on these bags is a 5 micron filter and can be sealed before sterilization. Side-gusseted bags stand-up after filling and have a strong bottom seal. The bags are pliable at any temperature even after sterilization. The bag opening is designed for easy sealing and the bag's bottom seal can withstand agitation.