Keep your room cool and save energy with this 300cm window seal for portable air conditioners. Designed for casement windows, it locks the AC hose between the window and frame, preventing hot air from entering and cool air from escaping. Made from durable nylon, it enhances cooling performance and reduces energy consumption. Easy to install with Velcro, no drilling needed. Open or close the window without removing the seal. Reusable and removable for storage.
