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                             Description 
                            
                                OK Sterilization Chemical Indicator Strip Steam 4 Inch Length - OK Strips are indicators that monitor all critical sterilization parameters: steam, time and temperature.
 - In sterilization cycles OK Strips guard against incomplete steam penetration, presence of noncondensing gases or excessive air, as well as from inadequate temperature or insufficient exposure time.
 - The pre-printed standard reference color permits rapid and certain visualization of the results.
 - If the sterilization conditions meet requirements, the arrow and the K will change to become at least as dark as the reference color O forming the OK expression.
 - There are 250 Class 4 sterilization chemical indicator strips in a box.
  
                             
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