Nature's Way Natural Cedar Bluebird House is crafted from premium cedar wood that is naturally resistant to insects and rot, ensuring durability and long-lasting use. Designed with air vents in the walls and floor, it provides excellent ventilation to keep the interior fresh and comfortable for birds. The house features an easy-to-clean design with outdoor access and a rust- galvanized wire mesh floor that helps control blowflies. Two predator guards extend the entrance hole, sized at 1-1/2 inches for Eastern bluebirds and 1-9/16 inches for Western bluebirds, ing protection from predators. Additional fledgling skerfs give young birds extra grip to climb out safely. Built with rust- stainless steel screws, this bluebird house can be mounted on a pole or flush against a surface and is finished with a water-based protective stain. It is for attracting bluebirds and swallows to your outdoor space. The dimensions are 5-1/2 inches wide, 12 inches high, and 8-1/8 inches deep. Model Number: