FC-1, Size : Outter size: 600mm x 300 mm ,  Wall size (Installation size ) ： 560mm x 260mm,  

Material : PP or ABS,  

Color : black color or White and Red Color 

Max Ventilation Volume : 1800 m3/h

FC-2, Size : Outter size: 630mm x 300 mm ,  Wall size (Installation size ) ： 630mm x 230mm, 

Material : PP or ABS,  

Color : black color or White and Red Color 

Max Ventilation Volume : 2000 m3/h

Top ventilation air-inlet

1. made of PP or ABS

2. black color and white color available

3. longlife service

4. easy installation