Liquid Culture Lids - Autoclavable WIDE Mouth Jar Lids with Heavy Duty Injection Port for Mushroom Cultivation

Plastic LIDS don't rust mushroom jar https://www.aliexpress.us/item/3256805338535474.html?spm=5261.ProductManageOnline.0.0.47a57197tOxNkw&gatewayAdapt=glo2usa4itemAdapt&_randl_shipto=US Our professional grade autoclavable Rejular and wide mouth jar lids are built to be lab-quality, and made specifically for liquid culturing. Our lids feature super heavy duty medical grade self-healing syringe injection ports, and we seal each hole with high temperature silicon. Liquid Fungi lids last twice as long as our competitors. Each lid comes with a reusable silicon gasket ring for an airtight seal. This type of lid must be left a 1/4 turn open when pressure cooking, and fully tightened when cooled. Set of 6 mason jar lids for making mushroom liquid cultures. The polypropylene lid features a rubber self healing injection port, a high quality .22 micron filter and a silicone gasket to unsure a tight seal. Leave the lids a quarter turn loose while in the pressure cooker so air can escape, otherwise the injection ports will pop out. These lids can be used in a microwave, autoclave or pressure cooker.