| 摘要 |
A vertical-shaft air filtering device having high flow rate and two-way air intake structure includes an air filter having its annular filtering member provided thereon with a fixed annular cover which is provided with an auxiliary air intake and a sheet-shaped filtering member in the center. Thus, air sucked in a hollow tube can pass through the annular filtering member and the sheet-shaped filtering member and, after filtered, get in the engine room of a vehicle, not only having a function of air filtering, but also able to enable the engine to increase instant air intake speed and amount.
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