Air conditioning on hot days is a real salvation for us. Provide yourself with comfort in an apartment, office or other room in which you feel the need for immediate cooling. Four overlays will instantly disperse the breeze evenly. Easy installation: No gluing required. Simple and easy installation. No tools, no screws, no drilling, just hook the mast in the gap between the central air conditioning vent and the wall. After installation, you can adjust the angle of the ventilation nozzle according to your needs. Turn the ventilation plate directly to change the direction of the air conditioning wind. The microhole directs the wind, does not adversely affect the cooling of the air conditioning and prevents condensation of water. Durable, suitable for use in all seasons. From warm air to a pleasantly cooling breeze. An additional advantage is the ability to set the tilt of the breeze direction for each of the four parts. Product parameters: Width: 23 cm, length: 58 cm, suitable air conditioning size: less than 58 cm,(1x4PCS) material: lightweight, flexible, soft ABS plastic, Features: microhole construction evenly distributes wind, makes the wind softer.