W48AF-C09BM4X4E 4 TON WALL MOUNT A/C CONFIGURED AS FOLLOWS: F - R-454B RIGHT SIDE CONTROLS C - 460-480/3/60 VOLTAGE 09 - 9KW ELECTRIC HEAT B - BLANK OFF PLATE M - 2" PLEATED MERV-11 FILTER 4 - GRAY BAKED ENAMEL FINISH X - STANDARD CABINET 4 - COATED COILS & CONDENSER AREA E - HIGH & LOW PRESSURE SWITCHES COMPRESSOR CONTROL MODULE, REFRIGERANT LEAK DETECTOR (RDS), LOW AMBIENT CONTROL MFG BY: BARD