Airtight Silicone Seal: The mason jar lid ensures a tight, secure closure with a silicone gasket, effectively isolating contents from the external environment for optimal growth conditions
Self-healing Rubber Stoppers: Allows for easy, low-risk introduction of liquids or cultures, helping maintain a clean environment
Enhanced Air Filtration: The wide mouth mason jar lid features a 25mm diameter 0.22μm PTFE filter to enable necessary gas exchange while protecting contents
Versatile Compatibility: Designed for 86mm wide-mouth mason jars, these liquid culture lids are perfect for mushroom cultivation, liquid cultures, grain jars, and LC transfers
All-in-One Cultivation Kit: Get everything you need in one package - 8 mason jar lids, 8 PTFE filters, 8 adapters, and 25 rubber stoppers
