Lomanco 189 Adjustable Foundation Vent Carton of 12

Lomanco's 189 series adjustable foundation vent features a three hinged louver that is designed to help have control over how much air flows through the vent. This foundation vent is made to put into walls and crawlspaces to prevent the accumulation of termite damage and mildew. For maximum protection from weather and maximum ventilation capability, the Lomanco 189 foundation vent also includes an attached 8 x 8 inches perma-coated aluminum screen.