All aluminum construction Includes 8 in x 8 in permacoated aluminum screen extended to the edges of the cap Large nailing flange Rolled flange on vent stack to prevent weather infiltration A 600S with a taller throat for use on a shake roofs is available 60 sqin of netfree ventilating area 1658 in x 1878 in x 4 in overall size
✓ In stock
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