Small 4''x3''x18'' Spawn bag with Injection Port – MycoHaus
Amazon.com : Milliken Mushroom Supply - Mushroom Spawn Bags with self-Healing Injection Port, 0.2 Micron Gas Filter, 3 Mil. Pack of 10 - Trusted by The Pros - Medium 4″Deep X 5″
Organic Sterilized Grain Bag + Injection Port (3 lbs) | Mushroom Grain Spawn Bag – North Spore
Making my own self healing injection ports in my grow bags. Bags that come with them are expensive. [technique] : r/MushroomGrowers
Amazon.com : Milliken Mushroom Supply - Mushroom Spawn Bags with self-Healing Injection Port, 0.2 Micron Gas Filter, 3 Mil. Pack of 10 - Trusted by The Pros - Medium 4″Deep X 5″
Amazon.com : Milliken Mushroom Supply - Mushroom Spawn Bags with self-Healing Injection Port, 0.2 Micron Gas Filter, 3 Mil. Pack of 10 - Trusted by The Pros - Medium 4″Deep X 5″
Amazon.com: North Spore Organic (3 lbs) Sterilized Hydrated Grain Bag w/Self -Healing Injection Port | Sterile Mushroom Spawn Bag w/ 0.2 Micron Filter Patch | USDA Certified Organic : Health & Household