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In order to achieve maximum efficiency with roof vents, it is necessary that ample intake ventilation be provided. This can easily be accomplished by the installation of undereave vents. These surface mount undereave vents are designed for easy installation. SDS
Plastic slide foundation vent for block, brick or frame construction. Made from durable polypropylene. Fits standard 8" x 16" opening. Net free area of 65 square inches venting space. Automatic damper system. Opens 70" and closes 40". 10 per carton.