Compatibility for 13 cm and 15 cm exhaust pipes This filter screen fits portable air conditioners with 130 mm or 150 mm exhaust hose interfaces, providing a secure connection without tools and easy setup. Dust protection Featuring dual mesh layers, this adapter filter blocks airborne particles from entering through the exhaust hose, helping maintain cleaner airflow and improved indoor air quality. Enhanced cooling performance Designed to optimize airflow, the screen reduces obstruction in the exhaust system, allowing your portable air conditioner to operate more efficiently and deliver better cooling output. Simple installation Attach directly to your exhaust hose interface in moments, with no extra tools or complicated steps required, for a tight fit that stays secure during operation. Use scenarios In dusty or outdooradjacent spaces, use this filter to keep the exhaust path cleaner and maintain consistent cooling performance in your portable AC. In homes with pets or shedding, the dual mesh helps minimize fur and debris entering the exhaust hose, supporting better airflow and air quality. For temporary or mobile cooling needs, such as moving a portable AC between rooms or rental spaces, the tool, quick installation offers a reliable, secure fit without setup hassle.