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Engineered for low-profile crawl spaces where standard 8x16 vents exceed clearance. Fits 4x16-inch openings common in older homes. Maintains full ASCE 24 compliance and provides 200 sq ft of NFIP flood coverage credit per vent. The galvanized steel body and powder-coat finish are rated for salt-air coastal environments — important in coastal flood zones where corrosion accelerates.
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