Triple Chamber Bat Houses can hold up to 600 bats and are ideal for establishing nursing colonies and when mounted according to instructions included, have a 80% occupancy rate. This Certified Triple Chamber Condo Bat House, measures 29 inches high x 29 inches wide x 5 inches deep and is cut from 100% Western Red Cedar and is Certified by Bat Conservation International. All joints are half-lapped, caulked and sealed. The 0.25 inch ventilation gap allows for circulation and temperature variability. Each Lone Star Bat House is hand made and inspected. We pre-drilled holes for mounting screws for your convenience. All exterior surfaces (except landing pad) are hand sanded to increase the aesthetic appearance. Each Lone Star Bat House adorns our trademark 3.50 inch cast iron star and Hand Crafted by Lone Star Woodcraft brand. As these house are constructed of Western Red Cedar, they weather beautifully and will darken as they are exposed to the elements over time. The 0.75 inch chambers will deter wasps, hornets Type: Feeders Bird Species: Bird Location: Outdoor