Open Source Steel LLC is a modular stainless steel supplier, specializing in high end and custom closed loop solvent extraction systems. We’re the premier supplier and an innovator in our market place. Custom solvent tanks, reducers, fittings, hoses, our products are pressure tested and industry standard compliant stainless steel, designed with closed loop solvent extraction in mind. We’ve brought innovative designs to the marketplace and provide supplies to now thousands of extraction artists and companies for hundreds of thousands of grams of quality extracted material.