Amazon.com: MSA 10107602 Altair 4X Monitor (LEL, O2, CO, H2S) + MSA 10089321 conector de tapa de tubo + regulador de flujo MSA 467895 RP para Altair 4X y 4XR, Kit de
MSA Altair 4X Multigas Detector 10107602 For LEL, Oxygen, Hydrogen Sulfide And Carbon Monoxide With Motion Alert - - Amazon.com