... Installation hole diameter: 12mm • Rotation: CCW • Our products apply to electric fireplaces, heaters, ventilation,cleaner, air curtain, air conditioning, refrigerator or ... , Φ100, Φ98, Φ90, Φ80, Φ52… and so on.Centrifugal Blower Wheel:The diameter includes:Φ48, Φ66, Φ135, Φ200,Φ210,Φ240 ... success. Any more questions, please let us know! Blower wheel 380x180 with air inlet ring for 5HP air conditioner ...