Refrigerant Leak Detector Advanced Ionization Detector Adjustable Sensitivity Level 6 g/yr (H) 30 g/yr (L) R22 134A 8 g/yr (H) 40 g/yr (L) R404A 407C 410A For Use With CFC HCFC and HFC Refrigerants Includes Batteries Hard Carrying Case Reference Leak Source Refrigerant Leak Detector