Kulthorn compressor az series aza0413yk1, 1/6 hp, 115v, 1 phase, r134a, cbp the az series range from 1/20-1/5 hp. They are small sized, lightweight, have low noise output, and are energy efficient. They are compatible with the following refrigerants: r134a, r600a, r404a and r290. These compressors can be used for household and commercial refrigerators, water coolers, and dehumidifiers.