Oro Bowie Dick Test Packs and Sheets are single-use test packs designed to evaluate pre-vacuum steam sterilizer performance. They provide clear color changes from yellow to blue/purple, indicating successful tests. Compliant with ISO 11140 Type 2 standards, they detect wet or superheated steam, aiding troubleshooting. These packs are pre-assembled, easy to validate, and come with printed lot numbers and expiration dates for documentation. Available in packs of 12 or 30, and sheets in a pack of 50.