Type 4 Dual Strips monitors critical parameters to ensure proper sterilization has accrued during the steam sterilization process. The Dual Strips designed for use in all steam sterilizers.
Long stripe of chemical indicator ink printed on perforated-style strip allows full- or half-length use for different pack sizes.
For rigid sterilization loads there should be at least 2 test strips diagonally opposite in each corner to ensure that the cycle has reached all areas of the machine.