NESTING BOX SINGLE 163620 MILLHighlights Nesting box has entrance perch and ventilation holes for fresh air to help keep chickens safe and comfortable Constructed with durable impact resistant polyethylene that will not rust, rot, or corrode Plastic surface design is easy to keep clean and will keep at room temperature at all times of the year Lowered box floor helps prevent loss of bedding, and the sloping roof prevents roosting Made to be mounted vertically or side by side to