Dust protection and air quality: The Indoor Unit Dust Guard prevents dust from accumulating on your hanging air conditioner, maintaining airflow and system performance for cleaner indoor air quality. Easy tool installation: Quick setup without tools; simply attach the screen to the indoor unit to improve cleanliness and reduce maintenance effort. Long lasting material: Made from sturdy plastic that withstands regular use, providing reliable protection for your air conditioning system across multiple seasons. Four design options: Available in four distinct designs to match a variety of air conditioner models and preferences; choose the design that fits your specific unit. Use scenarios: In homes with regular dust or in dusty environments, use the Dust Guard to keep the indoor unit cleaner and reduce filter cleaning frequency. In rental properties or office spaces with multiple units, benefit from fast, tool installation during routine maintenance or replacements. During pollen season or seasonal dust spikes, use to help maintain cleaner indoor air and minimize maintenance downtime. Compatibility and fit: Designed for hanging indoor units; select one of the four styles that matches your unit model.