Smart Control 2-Pipe/4-Pipe Ceiling Cassette Fan Coil

Smart Control 2-Pipe/4-Pipe Ceiling Cassette Fan Coil. High heat transfer efficiency, safe & reliable High-quality seamless copper tubes with high-efficiency aluminum fins. Staggered tube arrangement. Each coil undergoes strict pressure and leak testing. Low-noise operation, quiet environment Optimized fan and motor matching. Dynamic balance testing. Sound-absorbing material reduces noise. Ultra-low profile, fully concealed Exceptionally low overall height. Fully hidden inside ceiling. Only supply/return grilles visible. Occupies no floor space. Flexible air outlet selection, matches interior design Various supply air outlets available (louvered diffuser, ceiling diffuser, etc.). Blends harmoniously with interior decoration. 3-speed adjustment, easy maintenance High, medium, low three-speed adjustment. Optional electric valve & thermostat. Washable nylon filter. Maintenance access opening provided.