4-in-1 multi-functional window cleaning brush has integrates multiple functions into one Window screen net clean brush /Window glass brush Squeegee brush for clean window glass Window track Gap cleaning brush Pet Hair Remover The screen brush is for both dry and wet use with soft and tough bristles that can effectively assisting you in removing accumulated dust from your screen windows, thereby enhancing the indoor air quality, or you can get it wet or with cleaning agent to increase your power. The cleaning brush is also very suitable for removing cat and dog hair as well as human hair on soft surfaces such as carpets, sofas, beds, and pet beds by pulling and pushing it back and forth. The 4 in 1 window cleaner can be recycled to reduce waste,after rinsing with water,shake off any excess water and allow it to air dry naturally.