Unicorn Brand extra-thick autoclavable mushroom grow bags. They measure 4" x 3" x 18", designed to hold 1lb-3lb of substrate for sterilization in a pressure cooker. They include a 0.5 micron breathing filter. This side-gusseted breathable bag gives a sturdy stand-up bag after filling and a strong bottom seal. 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.
Material: 3.0 Mil Polypropylene
Bag Size: 4″ X 3″ X 18″
Filter Type: A
Filter Size: 1.5″X1.5″
Filter Pore Size: 0.5 microns
Filter Hole: Style L
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