... assemble mounting make the fan firm Axial flow fanWe are a professional axial flow fan manufacturer,featured by small vibration , ... stable operation ,lower noise and high quality.Our anxial flow fan are widely used of electric equipment,medical ,computer, ... AMP :0.28/0.26Speed (R/min) :2650/3100Air flow (m3/min):2.3/2.7Noise dB(A) :47/ ... /minWeight (kg) : 0.55 Small volume WH11038HBL1 Axial flow Fans