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• + [PRODUCT] Smart Combustible Gas Sensor Heiman HS1CG series
• + [PRODUCT] Combustible Gas Detector Heiman WS2CG series
• + [PRODUCT] Smart Household Combustible Gas Detector G1 series
• + [PRODUCT] Combustible Gas Detector HS3CG series
• + [PRODUCT] UL1484 battery powered combustible gas alarm HM-733NS series