Greenhouse Exhaust Fan APC10-22-2 1.60CFM to 230CFM. 2.Elegant design. 3.Antistatic. 4.Quiet and excellent airflow. Greenhouse Exhaust Fan APC10-22-2 Model:1.APC10-22-2,air:96m3/h,43db,4"spe,Power:14W2.APC13-22-2,air:180m3/h,43db,5"spe,Power:17W3.APC15-33-2,air:210m3/h,43db,6"spe,Power:20W4.APC20-43-2,air:384m3/h,50db,8"spe,Power:25W 1.60CFM to 230CFM.2.Elegant design.3.Antistatic.4.Quiet and ...