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The ES-1821 is a replacement carbon monoxide gas detector sensor. It is for RKI gas detector models GX-2003, GX-2009, GX-2012 and many others. This is typically in stock for a quick turnaround.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$157.50