Hydroponic Carbon Filter

-it removes all odour when used with fan through activated carbon. -the carbon filters in a variety of sizes to fit 4" 5 " 6" 8 " 10" 12 "fans. -55% open area for maximum airflow. -100% virgin activated carbon, 4mm columnar carbon or light granulated carbon. - aluminum flanges is light and it looks beautiful. the colour usually is silver, light green or light pink. It also can be oem orders. - pre filter set is included. It has other colour or undertake oem orders. -1.5-3 year life span.