Durable construction Made from sturdy plastic to ensure long lasting use and wear resistance, providing a reliable solution for your indoor air quality needs. Enhanced filtration The included filter cotton can be easily placed on the bracket, significantly improving your air conditioner filtration system for fresher and cleaner air. Wide compatibility Designed to fit filters of various sizes, this bracket offers flexibility and is suitable for a wide range of air conditioning units in homes or offices. Easy setup The user friendly design allows quick installation without any tools or special expertise, enabling you to upgrade your air conditioning system effortlessly. Use scenarios Home use: ideal for central or window air conditioners in living rooms or bedrooms to improve indoor air quality for all residents. Office and commercial use: suitable for small to medium office spaces with multiple units to enhance overall air filtration. Rental or shared spaces: adaptable to different unit sizes in apartments, dorms, or other shared environments, providing easy filtration upgrades without replacing equipment.