VRF direct expansion ahu without air cooler /condensor with VRF system VRF indoor air handling unit with DX coil
1)Low air leakage
2)high strength
3)No water condensation
4)good quality components
5)with selection software/CE/AHRI certificate
6)with cooling coil,heating coil, primary filter,secondary filter,dehumidifer,humidifer,heat recovery, control panel if requested