Photo 1 of Handheld Manometer with Backlit, Dual-Port HVAC Digital Manometer Gas Pressure Tester, LCD Screen & Indoor Temperature Measurement, 12 Units, for Natural Gas Pipelines Ventilation Detection

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Photo 1 of Handheld Manometer with Backlit, Dual-Port HVAC Digital Manometer Gas Pressure Tester, LCD Screen & Indoor Temperature Measurement, 12 Units, for Natural Gas Pipelines Ventilation DetectionPhoto 2 of Handheld Manometer with Backlit, Dual-Port HVAC Digital Manometer Gas Pressure Tester, LCD Screen & Indoor Temperature Measurement, 12 Units, for Natural Gas Pipelines Ventilation Detection