Dustproof Screen Blocks dust from entering your air conditioner, helping to maintain efficiency and create a healthier indoor atmosphere. Installation The userfriendly design allows effortless installation on a range of air conditioner models, promoting cleanliness with minimal effort. Sturdy Construction Made from materials, this dust filter is built to withstand regular use and provide dependable protection for your AC unit. Four Choices Available Choose from four different options tailored to meet your specific air conditioning needs and aesthetic preferences. Use scenarios Home environment with dust, pet hair, or allergies: install to reduce dust entering the AC, helping keep indoor air cleaner with less maintenance. Small office or workspace: protect the air conditioning system from dust and debris while keeping upkeep simple. Seasonal or project dust periods (pollen season, renovations, construction): quickly install to shield your unit and maintain performance, then swap as needed.