Replacement Sensor, Gas Detected Oxygen, Measurement Range 0 to 25 Percent, Compatible Detector Model/Series Test Products Intl. 707, Test Products Intl. 708, Test Products Intl. 709, Test Products Intl. 709R, Test Products Intl. 712, Test Products Intl. 714, Test Products Intl. 716, Test Products Intl. 716N, Compatible Detector Grainger Part Number 38RX01, 3JYG6, 3JYH1, For Detector Type Portable, T90 Response Time 30 to 60 seconds