Ceiling-recessed cassette (24"x24") ductless heat pump units offer a wide airflow pattern for better air distribution in a less obtrusive style. Intall SLZ in a hard ceiling (with an access panel for servicing) or in a 2'x2' drop ceiling. Rated capacities range from 8,400 to 15,000 Btu/h. Wide airflow pattern for excellent air distribution 4" ventilation air intake knockout Built-in drain condensate lift mechanism Select from MHK1 (preferred), PAR-21MA, or PAR-FL/FA32 remote controllers Long-life air filter included Automatic fan speed control Limited warranty: five years on parts and defects and seven years on compressors