Dustproof design reduces dust buildup inside your air conditioner, improving efficiency and helping keep indoor air cleaner. Easy installation on your air conditioning unit for quick, hassle setup and ongoing cleanliness. Material: Made from sturdy plastic, this dust screen is durable and longlasting as a reliable accessory for your air conditioning system. Multiple options: Available in four sizes to fit a wide range of air conditioners; choose the dust screen that matches your specific model and preferences. Practical use scenarios: Home use with a window or wall mounted unit in living spaces to maintain cleaner air and reduce maintenance between filter cleanings. Office environments with multiple air conditioners to simplify upkeep and help extend unit life. Dusty environments or during remodeling projects to minimize dust ingress and protect the cooling system. Compatibility and sizing guidance: Four sizes available to fit a variety of models; select the size that matches your specific air conditioner model and preference.