Box roof vent 18 x 18 inch id 27 x 27 top 30 x 30 base 12 inch clear rise under top removeable top.
18 x18 flat roof vents.
Roof vent 18 x 18 inch flat top box vent 3 5 rise 26 gauge flat roof vent 18x18 inch id 30x30 base 3 5 inch rise 8 inch overall height 26 gauge galvanized steel 247 sq in.
Easy online ordering orroof vent cover provides increased airflow with a larger vent area than standard vent covers and side louvers that create cross ventilation.
Made in the usa.
26 gauge galvanized steel.
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Flat roof vent 18x18 inch id 30x30 base 3 5 inch rise 8 inch overall height 26 gauge galvanized steel 247 sq in.
Sheet metal manufacturers of roof vents roof exhaust fans and solar attic fans.
26 gauge galvanized steel.
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Flat roof vent for foam roofs 18x18 inch id 30x30 base 7 in.
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Active ventilation products inc.
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Roof curbs roof curb fits 18 vent or fan with cmf rc 18.
Overall height top not removeable.