North Spore 0.2 Micron Filter Bags 10 pk

These autoclavable mushroom grow bags are made of 2.2 ml thick polypropylene plastic and designed for indoor cultivation. They allow gas exchange and can be sealed with an impulse sealer or tied.

• The description claims the bags can withstand high temperatures but may be damaged by prolonged direct contact with an autoclave base.
• The description claims polypropylene melts above 25PSI and 350 degrees F.
• The description claims bags should be lined with cloth when placed directly on the base of an autoclave or pressure cooker.