An easy and accurate way to test air removal and steam penetration in prevacuum steam sterilizers. This easy-to-use product is a lightweight, compact, one-piece system that is preassembled and ready for use. It eliminates the need to spend time folding towels and preparing packs necessary for traditional Bowie Dick Test Packs. Most important, the Dart Daily Air Removal Test is reproducible—inconsistencies associated with traditional Bowie Dick Test Packs are eliminated.