model | spec. | blade diameter | voltage | rotation speed | air flow | input power | noise |
DHF-1 | 1380X1380X400 | 1270 | 240/415 | 1400 | 44500 | 1100 | 68 |
DHF-2 | 1220X1220X400 | 1110 | 240/415 | 1400 | 37000 | 750 | 65 |
DHF-3 | 1060X1060X400 | 950 | 240/415 | 1400 | 32000 | 550 | 60 |
DHF-4 | 900X900X400 | 790 | 240/415 | 1400 | 28000 | 370 | 55 |
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