Check the listing for details. Unicorn Bag Type 10T with Injection Port. Color: Clear. Listed at 18.05 USD. Unicorn Bags 10T Injection is the preferred bag for many growers for their grain spawn. This is because of the 0.2-micron filter versus the standard 0.5-micron filter. So, the 10T is often used for grain spawn by growers who are growing at scale. When spawn in quart jars is not enough, or efficient, you can use these great bags instead. They allow you better sterilization, and lower risk of contamination when used properly. All of our Unicorn bags are Polypropylene which means they are autoclavable. You can even save more time with MushroomMediaOnline’s own Fast Fruiting Mix that is that ideal mix of 50/50 hardwood sawdust substrate supplemented with 50% soy hulls. Free shipping with your bag purchase from MushroomMediaOnline.com We offer the lowest cost per bag by finding the very best shipping rates for your bag delivery. The larger your order size, the more you can save. Choose your purchase size and see the full price with free shipping included. Brand: Unicorn Model Number: 10T Bag Size: 5″ x 4″ x 18" Material: 3.0 Mil Polypropylene Filter Size: 1.5” x 1.5” 0.2 micron Typical Block Size: 3-4 lbs