Refrigerant: Less than 0.25 oz/yr of R134A (hardest to detect refrigerant)
Combustible Gas: Minimum 50 ppm (Methane)
Refrigerant: Heated Diode - U.S. Patent No. 5,932,176
Combustible: Patented semiconductor type. Five year typical life.Plug in replacement
Refrigerant SAE J1627; CE Mark
Combustible UL 913 Classified, intrinsically safe for use in Class1,Division 1, Group D hazardous areas; CE Mark
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.