Supply air 10-5/16 inch front to back and 23 inches wide - Return air 19-3/4 inches front to back and 22-7/8 inches wide - No filter rack - Versatile 4 way convertible design for upflow, downflow, horizontal left and horizontal right applications - Factory installed high efficiency indoor coil - Sturdy construction with 1 inch of reinforced foil faced jacket insulation for excellent thermal and sound insulation - Four leg blower motor mount - Blower housing with controls, motor and blower use a slide out design for service and maintenance convenience - Expansion valve on indoor coil provides for operation with air conditioning or heat pump using the same coil - Coils are constructed of aluminum fins bonded to internally grooved copper tubing - Molded polymer corrosion resistant condensate drain pan is provided on all indoor coils - Supply duct flanges provided as standard on air handler cabinet - Provisions for field electrical and other connections available from either side or top of the air handler cabinet - Connection point for high voltage wiring is inside the air handler cabinet - Low voltage connection is made on the outside of the air handler cabinet - Concentric knockouts are provided for power connection to cabinet - Installer may pull desired hole size up to 2 inches for 1-1/2 inch conduit - Front refrigerant and drain connections