All American Pressure Cooker – 941 – 41.5 QT

The All-American Pressure Cooker / Sterilizer is the gold standard for mushroom cultivation, delivering commercial-grade autoclave performance to easily sterilize mushroom grain jars, liquid culture, and substrate bags at a consistent 15 PSI. Built with a heavy-duty, cast aluminum body and a precision metal-to-metal seal that completely eliminates the need for rubber gaskets, this professional-grade pressure sterilizer ensures ultimate durability and long-term reliability for your mycology lab or home grow setup.

Premium Mycology Autoclave Performance

• Gasket-Free Metal-to-Metal Seal: The exclusive clamping system creates a heavy-duty, steam-tight seal without a rubber gasket to wear down, dry out, or fail mid-run.
• True 15 PSI Sterilization: Reaches and holds the exact pressure required to completely eradicate competing molds, bacteria, and endospores in grain spawn and biological substrates.
• Heavy-Duty Cast Aluminum: Crafted for maximum thermal efficiency and uniform heating, ensuring consistent sterilization cycles every single run.
• Complete Safety & Precision Controls: Equipped with a dual-read pressure gauge, an automatic overpressure safety relief valve, and a control regulator weight for hands-off accuracy.
• Universal Versatility: Fully optimized for professional mycologists and hobbyist growers alike, easily accommodating mason jars, autoclavable grow bags, and laboratory glassware.

Product Specifications

• Material: Heavy-duty, high-grade cast aluminum
• Seal Type: Precision machined metal-to-metal clamping system (Gasket-free)
• Operating Pressure: Variable control weights (5, 10, and 15 PSI)
• Safety Features: Mechanical pressure release valve and overpressure plug
• Compatibility: Suitable for all standard grain vessels, liquid cultures, and bulk substrate sterilization runs