W42HF-C15XXXXXX 3-1/2 TON WALL MOUNT HEAT PUMP CONFIGURED AS FOLLOWS: F - R-454B RIGHT SIDE CONTROL C - 460-480/3/60 VOLTAGE 15 - 15KW ELECTRIC HEAT X - BAROMETRIC FRESH AIR DAMPER X - 1" FIBERGLASS MERV-2 FILTER X - BEIGE BAKED ENAMEL FINISH X - STANDARD CABINET X - COPPER/ALUM COILS X - HIGH & LOW PRESSURE SWITCHES COMPRESSOR CONTROL MODULE, REFRIGERANT LEAK DETECTOR (RDS) MFG BY: BARD