The Harvey Chemiclave is a fully automated and proven device for sterilizing medical & dental instruments without dulling, rusting, corroding or otherwise impairing properties. The chemical vapor process protects your investment in instruments. The EC5500 has chamber dimensions of 8" diam. x 13.25" deep, and the 6000 has capasity of 10" diam. x 16" deep. Fixed cycle parameters: 20 minutes at 270 degrees.