Powder Coated Adjustable Louver Ventilators are used in construction industry for ventilating interior spaces of a building in masonry wall openings and basement or crawl space. These Louver Ventilators are adjustable and made using quality grade material to ensure optimum performance for longer period of time. These Adjustable Louver Ventilators are offered in powder coated finish and accurate dimension. Powder Coated Adjustable Louver Ventilators are durable and consume less power during operation.