ZS-18N40P4B2BAA2A1 17.5T 400MBH GAS/ELEC PKG UNT R410A 460/3 STD STATIC VAR SPD DRV 10.8 EER 13 IEER MERV8 FILTERS FIOPS: ECONO-DISC-PHMTR FRASER-JOHNSTON RELIAPLUS