... Product Description 8020 DC Fan,Roof Fan,cooler fan,industrial fan,exhaust fansize:80*80*20mmbearing type:ball bearing ... 0.121 35.7 8020L12S/B/F 12 6~13.8 0.12 0.07 1.44 2000 0 ... 0.054 25.0 8020M12S/B/F 12 6~13.8 0.17 0.12 2.04 2600 ... 0.121 35.7 8020HH12S/B/F 12 6~13.8 0.50 0.32 6.00 3800 1 ... 0.150 40.0 8020HH12S/B/F- 12 6~13.8 0.50 0.32 6.00 3800 1 ... 3.82 0.150 40.0 8020TH12B- 12 6~13.8 0.60 0.45 7.20 4400 1 ...