[ construction] Made of high quality, pvc, this deflector that covered with waterproof foam to effectively prevent condensation. Both cold And warm air apply.Suitable for all seasons [ saving] Air deflectors redirect airflow to the most beneficial spaces and save . wall unit is really stable and 't shake when using [Adjust the of air] Air vent deflector for wall ac unit could balance uncomfortable temperature environment by changing the wind direction, is a must-have for those who want to enjoy a peaceful and comfortable atmosphere [Easy installation] Can be attached in minutes. Suitable for up to 53x27cm size(Cuttable), Adjust the airflow direction and spread to any angle you desired [Universal] Our air conditioner deflector works with any window units and is designed to fit any size window so that you have more flexibility in where you place your air conditioner