(2) Wide mouth liquid culture lids for mycology. Featuring 20mm self healing injection port. Threaded 25mm .22um hydrophobic syringe filter for gas exchange. Dual O-ring protection. Lids are leak-proof, airtight, and autoclaveable. Designed for use with mason jars up to 2-liter in size. Please note: **Rings not included. Our products are designed by professional mycologists…

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