Exhaust filter type The fan shall be suitable for wall mounting Condenser motor with thermo cut-off Well lubricated bearing for long life operation Perforated aluminum filter being competent in collecting oil Filter coated with hydrophobic material allows easy cleaning Propeller fan incorporated with�Advanced blade design�enables powerful Airflow at low noise Large capacity oil cup with oil indicator equipped for collecting oil drops effectively Pre-painted steel frame and shutter strengthen product durability Automatic shutter Installation size = 300 x 300 mm Safety design base on IEC requirement Our global product had been approved by each country requirement