- Perfect Fit: The adjustable AC Replacement Side Panels measure 11.5x12.7 inches, designed to fit most window air conditioning units. Always verify the dimensions of your window frame and air conditioner before making a purchase. - Easy Installation: These telescopic side panels are simple to install and adjust, easily sliding to accommodate the size and mounting position of your air conditioner. They can be removed effortlessly for cleaning, ensuring they stay efficient and visually appealing. - Dust Protection: By using these dust-proof side panels, you can effectively block dust and other particles from entering your living space. This not only promotes a healthier environment but also helps extend the lifespan of your air conditioning unit. - Durable Material: Crafted from robust plastic, these window air conditioner side panels are built to withstand regular use and exposure to various weather conditions. They offer reliable performance and protection for your AC unit. - Versatile Applications: Ideal for residential and commercial settings, these side panels are perfect for homes, offices, and rental properties. Whether you're installing a new air conditioner or replacing old panels, these adjustable options provide the flexibility you need. - Enhance Efficiency: By preventing dust accumulation and ensuring a snug fit, these panels help your air conditioner operate more efficiently, potentially lowering your energy bills and increasing cooling effectiveness.