750 is the original slant back vent. This vent has a three sided louver to allow more air to flow through the vent which in turn will remove more heat and moisture from an attic. This vent is also approved by Texas Department of Insurance "Windstorm" to withstand variable wind speeds. The slant back is designed to prevent roofing discoloration that might occur over the life of your roof. The 750 offers an 8 inch opening to move air from an attic outside. The Lomanco static vents are designed to be installed on various roof pitches and feature a large flange for easy installation. Designed to prevent roof discoloration Three sides louvered for greater air flow Embossed aluminum finishes for added strength, extended paint life, and blending appearance with shingles
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