H11 |
H12 |
H13 |
H14 |
|
Resistance (mmH2O) |
≦1.5 |
≦2.5 |
≦4.2 |
≦5.2 |
Efficiency(%) |
≧95 |
≧99.5 |
≧99.97 |
≧99.995 |