IMS Autoclave Monitor Tape (60 yards)Printed with Purple color. Strong, 3 4" (19 mm) tape contains chemical indicator that visually differentiates processed from non processed cassettes; includes 60 yards (55 m) per roll. DESCRIPTION For use with Hu Friedy sterilization wrap. For use in steam sterilizers 250 285F(121 141C). After steam sterilization, indicator will turn from non visible to dark brown or black. If tape comes loose or fails to remain intact during processing, sterilization