Package Count: 250.
Type 4 chemical indicator OK steam sterilization strips monitor all critical sterilization parameters for your steam sterilization load at 250? F and 273? F. 4-inch OK Strips feature an instantly recognizable OK symbol after exposure to an effective steam sterilization cycle. K will turn from off-white/white to dark brown/black color.
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