STERIS Dart Daily Air Removal Test is an easy and accurate way to test air removal and steam penetration in pre-vacuum steam sterilizers operating at 132 to 134 _C (270 to 273 _F). It is a lightweight, compact, one piece system that is pre-assembled and ready for use. The Dart Daily Air Removal Test eliminates the need to spend time folding towels and preparing packs necessary for traditional Bowie Dick Test Packs. They conform to the ISO 11140 Type 2 standards.