INFICON Flammable Sensor - For D-Tek StratusINFICON Flammable Sensor For D Tek Stratus 724701G3 This INFICON 724701G3, Flammable Sensor For D Tek Stratus is designed with versatility in mind. Quickly and easily switch your D Tek Stratus sensor to this optional sensor to look for all flammable refrigerants including; R32, R290, R600a & R441a. Specifications: For use with refrigerant leak detector: D Tek Stratus Sensor Life: 1000 hours approximately Detects all flammable refrigerants including;