Universal Window Seal for Portable Air Conditioner and Tumble Dryer Hot Air Stop with Dual Zipper & Adhesive Hook Tape, 3m, 4m, 5m

1. Available in 3m, 4m, and 5m sizes. Just measure your window perimeter (A+B+C+D) to find the right fit. Suitable for all common window types (out-swing, in-swing, and tilting), excluding sliding windows.
2. Enhanced Cooling & Energy Saving: Effectively blocks outdoor heat from flowing back in while sealing the exhaust hose. It helps cool the room faster and lowers electricity bills by improving air conditioning efficiency.
3. Double Non-Slip Zipper Design: Equipped with two high-quality non-slip zippers. The dual-zipper system allows for easy adjustment of the opening to fit your exhaust hose, ensuring a tight seal against heat and insects.
4. Durable & Washable Material: Crafted from high-density polyester fabric, this window seal is designed for long-lasting use. It is durable, wear-resistant, and fully washable for easy maintenance.
5. No-Drill Easy Installation: No drilling or expensive tools required. Simply apply the strong adhesive hook tape to the window frame and sash, then attach the seal cloth. It can be easily removed without damaging the window.