Universal installation: This portable exhaust accessory features a versatile rotatable locking mechanism that supports left and right rotation and can snap into the window seal without tools or special skills, making installation quick and easy. Efficient performance: It seamlessly connects your portable air conditioner to the exhaust hose, delivering effective cooling or heating and helping your unit run at peak performance. Compact and lightweight: Measuring 15 cm by 4.3 cm (5.91 in x 1.69 in), it is easy to carry and store, ideal for moving a portable AC between locations without adding bulk. High-quality material: Made from high-quality PP, it provides durable, reliable connection for your portable AC needs. Use scenarios: - Venting a portable AC through a window seal in a home or apartment. - Relocating a portable AC between rooms in a dorm, office, or rental space. - Frequent relocation of the unit for flexible cooling/heating across different spaces.