Ensure safe sterilization of your autoclaved tools every time with Medline Class 5 Steam Integrator Strips. These strips monitor all sterilization parameters, including exposure time, temperature, and steam. The strips change from purple to green; a green color-change indicates a “pass” for sterilization. Technical Specifications: Sterilization strips Measures exposure time, temperature, and steam in your autoclave Changes from purple to green; green indicates a “pass” Individually packaged in plastic Latex-free product Manufactured by Medline Sold in a bag of 250 indicators.