Air conditioner filter

The utility model discloses an air conditioner filter. The device comprises a first shell and fixing screws, a second shell is fixedly arranged on one side of the first shell; a mortise is fixedly formed in one end of the first shell; a limiting piece is fixedly arranged on one side of the second shell. A tenon is fixedly arranged at one end of the second shell; a buckle convex button is fixedly arranged on one side of the tenon; a flange is fixedly arranged at the lower end of the first shell; a fixing nut is fixedly arranged on one side of the first shell, a fixing piece is fixedly arrangedon one side of the fixing nut, a first filtering layer is fixedly arranged on the other side of the first shell, a second filtering layer is fixedly arranged on one side of the first filtering layer,and a third filtering layer is fixedly arranged on one side of the second filtering layer. 本实用新型公开了一种空调滤清器，包括第一外壳和固定螺钉，所述第一外壳一侧固定设置有第二外壳，所述第一外壳一端固定设置有榫槽，所述第二外壳一侧固定设置有限位片，所述第二外壳一端固定设置有榫头，所述榫头一侧固定设置有卡扣凸纽，所述第一外壳下端固定设置有凸棱，所述第一外壳一侧