4 in 1 Gas Leak Detector (H2S, EX, O2, CO) Reliable Home and Workplace Security Monitor with Accurate Detection, Rechargeable, Heavy Duty Construction, Instant Alerts

Gas Leak Detector 4-in-1 (H2S, EX, O2, CO) - Reliable Home and Workplace Safety Monitor with Precise Detection - Rechargeable, Rugged Build, Instant Alerts, Temperature Range: 14°F to 131°F

CHNADKS Portable Gas Detector, 4 in 1 (H2S, O2, CO, EX) Handheld Gas Monitor, Rechargeable Gas Analyzer with Audible Visual Vibration Alarms, Personal Gas Sniffer with LCD Display

FC-6S Optical Fiber Cleaver for SUMITOMO with 36000 Cleaves and Coating Diameter: 250um - 900um,12 Position Blade Cold Connection Tool Fiber Equipment Used in FTTH