A/C Package - Rheem/Model: RQNJ-A042JK. Serial: 7242F190805965, MFG DATE 05/2008 Only four years new. 3 1/2-4 ton, am changing unit for a unit that is better suited for my home. Asking $2,800 (obo). Uninstalling Dec 21st, contact Deborah at 813 817-1565. Selling "as is". Feel free to bring your A/C tech with you to inspect. 813-817-1565