I've only used it for 2 hours. I prefer the direct airflow, so I'm selling it. [Prevents Direct Cold Air & Air Circulation] This wind deflector cover features three fans to efficiently disperse the direct airflow from the air conditioner. It protects you from strong winds that can cause headaches and rhinitis. The fans quickly circulate a natural breeze throughout the room, distributing it evenly and creating a comfortable space for the whole family. [Contributes to Energy Saving] The air conditioner wind deflector's vortex circulation design improves cooling efficiency by 30%! According to manufacturer measurements, energy-saving effects have been confirmed, which helps save electricity in your home. [Prevents Condensation & Mold] The air conditioner wind deflector, equipped with three fans and multiple ventilation holes, disperses the cold airflow and suppresses the occurrence of condensation by over 99%. It prevents mold growth and maintains clean air. [180° Angle Adjustment for Cooling and Heating] The air deflector can be adjusted 180° up and down, allowing you to easily set the cold air upwards in summer and the warm air downwards in winter. It eliminates temperature unevenness such as "too hot" or "too cold," creating a comfortable environment anywhere. [Extendable for Compatibility with Various Models] The wind deflector cover is freely extendable from 56cm to 88cm on both sides, compatible with 99% of wall-mounted air conditioners. It can be easily installed even in rental housing, instantly solving the problem of direct airflow.