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R1234yf Gas Detector SMART3-H-FM LITE S4139R1234YF

R-1234yf refrigerant Gas Detector, HFO-1234yf Gas Detector 0-20% LEL 12-24 Vdc - Infrared sensor - SMART3-H-FM LITE for non classified area S4139R1234YF - Sensitron
SMART3-H-FM LITE - Détecteur de Gaz refrigérant A1 et A2L - Gas Detector for A1 and A2L refrigerant gases