Midwest Wide Mouth Jar Cultivation Lids with Injection Port (6-Pack)

Our wide mouth cultivation lids are perfect for any wide mouth jar (90mm). Great for grain spawn or liquid culture. They feature a large high quality synthetic 22mm 0.2 Micron filter, the highest level of filtration available. The thick Self-Healing injection port allows for many inoculations. The filter and ports are adhered using 3M professional automotive adhesive.

Features:

• 6 Universal Wide Mouth Jar lids
• 0.22 Micron filter with Pre-Drilled 3/8" gas exchange hole
• Self-Healing Injection Port
• Reusable