4T Unicorn Bags - Mushroom Grow Bags - 0.2-Micron Gas Exchange Filter Patch

  4T UnicornBag  4T is the preferred bag for grain spawn bags in the 1-3Lb range.  This side-gusseted breathable bag gives a sturdy stand-up bag after filling and a strong bottom seal. They are manufactured with custom built equipment and contain proprietary additives, Unicorn Bags are pliable at any temperature as well as after sterilization. The bag opening is designed for easy sealing and the bag’s bottom seal can withstand agitation. Type: Gusseted Material: 3.0 Mil Polypropylene Bag Size: 4″ X 3″ X 18″ Filter Type: T Filter Size: 1.5″X1.5″ Filter Pore Size: 0.2 microns Filter Hole: Style L