MODEL#WJA448000K BUILT TO LAST, EASY TO INSTALL AND SERVICE Environmentally balanced R?410A refrigerant Liquid refrigerant filter driers Copper tube/aluminum fin condenser and tin?coated copper evaporator coils Light weight, compact construction ideal for manufactured housing and residential applications Hand holds built into the unit base pan Compact, fully self?contained, electric cooling unit with horizontal supply and return ducts Easy panel accessibility for maintenance and installation Accessory electric heaters with single point connections Designed to be serviced from both the side and front Cabinet air leakage less than 2.0% at 1.0 inch W.C. and cabinet air leakage less than 1.4% at 0.5 in. W.C., when tested in accordance with ASHRAE Standard 193 Vibration isolation provides quiet operation. Compressors have internal over current protection Direct?drive multi?speed, blower motor standard on all models No?rust base pan with integrated drain pan standard on all units Durable pre?painted steel cabinet Louvered coil enclosure for protection against vandalism and hail damage Aerodynamic fan blade design reduces the overall sound LIMITED WARRANTY* 10 year parts limited warranty (including compressor and coil) * 5 years parts limited warranty if not registered within 90 days of original installation. Additional Details ------------------------------ Product description: MODEL#WJA448000K BUILT TO LAST, EASY TO INSTALL AND SERVICE Environmentally balanced R?410A refrigerant Liquid refrigerant filter driers Copper tube/aluminum fin condenser and tin?coated copper evaporator coils Light weight, compact construction ideal for manufactured housing and residential applications Hand holds built into the unit base pan Compact, fully self?contained, electric cooling unit with horizontal supply and return ducts Easy panel accessibility for maintenance and installation Accessory electric heaters with single point connections Designed to be serviced from both the side and front Cabinet air leakage less than 2.0% at 1.0 inch W.C. and cabinet air leakage less than 1.4% at 0.5 in. W.C., when tested in accordance with ASHRAE Standard 193 Vibration isolation provides quiet operation. Compressors have internal over current protection Direct?drive multi?speed, blower motor standard on all models No?rust base pan with integrated drain pan standard on all units Durable pre?painted steel cabinet Louvered coil enclosure for protection against vandalism and hail damage Aerodynamic fan blade design reduces the overall sound LIMITED WARRANTY* 10 year parts limited warranty (including compressor and coil) * 5 years parts limited warranty if not registered within 90 days of original installation. Material: Steel