20 Mason Jar Lid with Injection Port & Filter – Reusable, Sterile, and Cultivation-Ready

20 Mason Jar Lid with Injection Port & Filter – Reusable, Sterile, and Cultivation-Ready

Upgrade your mushroom cultivation setup with our mason jar caps, featuring a self-healing injection port and a high-efficiency filter for clean gas exchange. These lids are perfect for preparing liquid culture, grain jars, or LC transfers with minimal risk of contamination.

Designed to fit standard mouth mason jars, these reusable lids make your workflow cleaner, faster, and more reliable.

Product Features:

• 💉 Self-Healing Injection Port – easily inoculate with liquid culture while maintaining a sterile environment

• 🌬️ 0.22-Micron Filter Disc – allows proper gas exchange while blocking airborne contaminants

• 🔁 Reusable & Durable – made from heavy-duty plastic, silicone, and medical-grade components

• 🔧 Fits Reg-Mouth Mason Jars – compatible with most quart and pint-sized canning jars

• 🔥 Autoclavable – sterilize with pressure and heat for repeated use

Ideal For:

• Liquid Culture

• Grain Spawn Jars

• Culture Expansion

• Beginner & Advanced Mycologists

Take the guesswork out of sterile technique—grow with confidence and convenience using these high-performance mason jar lids.