| 摘要 |
The present invention provides an air filter assembly including a first filter member having a tapered cylinder configuration, a first end with a first diameter, a second end with a second diameter, wherein the first diameter is greater than the second diameter, and is constructed of a first filtering material. The air filter assembly also includes a second filter member having a tapered cylinder configuration, a first end having a first diameter, a second end having a second diameter, wherein the first diameter is greater than the second diameter, and is constructed of a second filtering material. The first end of the first filter member is operably coupled to the first end of the second filter element.
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