| 摘要 |
A static venting system (10) includes a first larger geometrically-shaped member (28) having a plurality of outwardly extending vertical louvers (30) with a top margin and a bottom margin; a second smaller geometrically-shaped member (36) is disposed within the larger member and has a plurality of outwardly extending vertical louvers (39) and a top margin and a bottom margin; a cap member (20) is provided with a first portion for affixing the cap member (20) to the top margin (26) of one of the first or second geometrically-shaped member (28, 36); the base member has a centrally disposed aperture, a portion for affixing the top margin of the other of said geometrically-shaped members thereto and an outwardly extending flange portion for affixing the base member over a vent aperture provided in an external surface; and a means for connecting the base member to the cap member.
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