The PLFY-NFMU Four-way Ceiling Cassette provides exceptional performance, air coverage, and an optional 3D i-see Sensor®. These recessed ceiling cassettes mount flush with the ceiling and fit into a 3’ x 3’ suspended ceiling grid. The optional 3D i-see Sensor scans the room, measuring temperature and determining occupant location. Indirect or Direct airflow settings direct supply air away from or toward room occupants. Each of the four vanes is fully customizable to provide 72 unique airflow patterns to suit the room’s comfort requirements perfectly. Capacities:R2-Series:5,000 to 48,000 BTU/HY-Series:5,000 to 48,000 BTU/HS-Series:5,000 to 48,000 BTU/HSound: as low as 26 dB(A)