W18HF-A08XP4X3X 1 12/ TON WALL MOUNT HEAT PUMP CONFIGURED AS FOLLOWS: F - R-454B RIGHT SIDE CONTROL A - 208-203/1/60 VOLTAGE 08 - 8KW ELECTRIC HEAT X - BAROMETRIC FRESH AIR DAMPER P - 2" PLEATED MERV-8 FILTER 4 - GRAY BAKED ENAMEL FINISH X - STANDARD CABINET 3 - COATED COILS X - HIGH & LOW PRESSURE SWITCHES, COMPRESSOR CONTROL MODULE, REFRIGERANT LEAK DETECTOR (RDS) MFG BY: BARD