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The Lambro Industries 1423B 4 inch plastic wall exhaust louvered dryer vent is designed for effective ventilation in various applications. This product features flaps that prevent outside elements from entering when the vent is not in use. The flaps open to permit exhaust air to exit through an ample opening, with a net-free area of 9.9 square inches. When installed, its low-profile design protrudes only a half inch from the wall. It is suitable for clothes dryers, bath fans, range hoods, and general exhaust installations.
Effective for preventing backdraft with its louvered design.
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