Gree's +Multi Ceiling Cassette will inconspicuously provide quiet performance through innovative design. The +Multi Ceiling Cassette is extremely suitable for any room, and can be easy installed in suspended ceilings with only a discreet decorative discharge grille visible. Gree's fan technology quietly and evenly distributes conditioned air throughout the room, and an internal condensate pump reliably disposes condensate water to a safe location. The +Multi Ceiling Cassette is idealfor light commercial applications which require comfort control in large, open spaces. Each +Multi Ceiling Cassette can be operated by an infrared remote control or wired tether controller, allowing maximum flexibility for any application. 4-way Discharge Air Multi Speed Fan Swing Louver Remote Control Lockout Decorative Discharge Air Grille (sold separately) IR Remote Control and Tether Wired Controller Power Failure Recovery Healthy Filter (Optional) Internal Condensate Drain Pump Sentry Float Switch Cleanable Air Filter Fresh Air Intake ( 24K model only)