RHEEM RCFY4821STANMC - 4.0 Ton 21" Cased Evaporator Coil RHEEM RCFY4821STANMC - 4.0 Ton 21" Cased Evaporator Coil RHEEM RCFY4821STANMC - 4.0 Ton 21" Cased Evaporator Coil High-efficiency cased evaporator coil featuring aluminum construction with... $1,325.00 $848.00 Add to Cart