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1Pcs Formaldehyde Sensor Module Mq138 Mq-138 Aldehydes and Ketones Alcohols Gas Sensor Genuine

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sku: 1005003813855939

$21.07

Shipping from: China

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MQ138 Formaldehyde Sensor Module Gas Detection Sensor Module MQ-138 Aldehydes And Ketones Alcohols Gas Sensor

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