Helix test system consist of a test device and the test indicator. The system is designed for Class B sterilizers for testing air removal from the hollow instruments during the process. Air removal is essential to assure presence of steam, and at the final stage sterilization. Test equipment is according to EN867-5 and test indicator according to ISO11140-1/Class 2. Lead free, solvent free. Each package contains a test device and 200 indicators.