Start your cultivation journey with our Standard Grain Jar Lids, designed for cost-effective, dependable grain spawn preparation. Perfect for beginners and budget-conscious growers, these lids deliver essential functionality without unnecessary extras.
 
Why Growers Choose These Lids
Budget-Friendly Solution — Reliable performance for newcomers or bulk setups on a budget.
0.3-Micron Filter Patch — Provides proper gas exchange while protecting against contaminants.
Self-Healing Injection Port — Simplifies inoculation while maintaining a sterile seal.
Durable & Practical — Built for repeated use without compromising quality.
 
A straightforward, effective solution for clean, consistent grain spawn preparation—without the added cost.
 
Order your 6-pack of standard grain jar lids today and simplify your next inoculation run.
 
(Glass jar not included.)