Air circulation filter for henhouse

The utility model discloses an air circulation filter for chicken house, including frame, ventilation mechanism, filtration mechanism and enclosure mechanism, the back of frame is equipped with ventilation mechanism, the front surface of frame is equipped with filtration mechanism, the front surface of filtration mechanism is equipped with enclosure mechanism. According to the air circulation filter for the henhouse, air in the henhouse can be replaced through work of the air exchange mechanism, air can be filtered through cooperative work of a clamping frame, a clamping block, a shell and a filter bag in the filter mechanism, the filter bag is convenient to replace, and the air circulation filter is convenient to replace through cooperative work of a baffle, a buckle plate, a handle, a rack, a gear and an ejector rod in the enclosure mechanism. And the buckle plate can be supported, so that the buckle plate can be conveniently opened and closed on the front surface of the baffle. 本实用新型公开了一种鸡舍用空气循环过滤器，包括框架、换气