GOOD SEAL - Suitable for portable air conditioners, tumble dryers, vented dryers, and dehumidifiers. The window seal is 3 meters long and suitable for casement windows. Note: Not suitable for sliding doors and windows. NO MORE INTRUSIVE HOT AIR - The window seal blocks the hot air emitted by the portable air conditioner hose between the frame and the window, effectively blocking the hot air. Our window seals effectively block foreign objects and rain, creating a sealed environment to keep your room cooler longer. INCREASES COOLING PERFORMANCE - Enjoy a cooler environment in the summer! Our product seals the edges of your window even when it's open. It surrounds your air conditioner's vent and blocks the return of hot air, allowing your portable air conditioner to be more efficient and cool your room faster. EASY INSTALLATION - No drilling or tools required. Simply stick the adhesive tape to the inside of the frame and window. Attach the window seal to the hook and loop tape. It will