A low cost, high volume passive exhaust vent. Only 7″ in diameter, yet will move 600-1,000 cubic feet of air per hour in a 15 knot breeze. Translucent center panel allows light to pass through it. Fits a 3 3/4″ installation hole. Center damper shuts vent off from below. Includes a 3″ white air vent. Size 7″ x 1 3/4″



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