Crosstex Value Test Mail-In Box CVT120 by Crosstex International GROUP: Sterilization:Monitoring:Biological Indicators Item Description: Mail In Monitoring Service, 1 Test Strip, Control Strip, 12 tests/Box Packaging Desc: Sterilizer Test Mailin 12 Tsts2 Strp Tst 12/Box Country of Origin: Harmonized Tariff Code: Product Description: Confirm biological monitoring services include: culturing service, immediate test failure notification, confidential online test results, reminder if you forget to test, expired product replacement program, certificate of participation, quarterly results report. Does not include prepaid envelopes.