Eco-Friendly Mushroom Culture Lid Stoppers

Whether you're into mushroom growing or liquid culture production, these high-quality stoppers are the perfect upgrade to your setup. Designed with a combination of silicone and rubber, they offer durability, heat resistance, and a seamless self-healing seal to protect your cultures from contamination.

With a spacious 3/4-inch wide opening and a 5/16-inch height, these stoppers are engineered for easy insertion of injection ports—no tools required. This makes them ideal for home growers and commercial operations alike, helping you maintain efficiency and consistency in your culture development process.

The double-sided design ensures compatibility with both mason jars and bottles, making these stoppers a versatile addition to any lab or kitchen. Their eco-friendly and reusable nature also aligns with sustainable practices, allowing you to keep your cultures fresh for extended periods while reducing waste.

Equipped with self-looping injection ports, these stoppers make it simple to use hypodermic needles for precise and safe culture transfers. Whether you're working on microbial cultures or emergency culture jars, this innovative design offers convenience, reliability, and a clean, professional finish.

These stoppers are not just functional—they're a smart choice for anyone committed to quality, sustainability, and ease of use in their mushroom cultivation journey. Trust in a reliable, reusable, and environmentally conscious solution that adapts to your needs with every use.