- Compatibility: Easily fits all portable/mobile air conditioning units, making this door drain seal kit a reliable choice for cooling needs in apartments, offices, or homes. - Advanced drainage system: Prevents water leaks with a sophisticated drainage setup, keeping your indoor environment dry and comfortable. - Effortless installation: Designed with a user-friendly zipper, this window seal kit can be quickly and securely attached without tools or professional help. - Optimized double hose design: Enhances airflow efficiency, helping your mobile air conditioner deliver cooling performance while improving energy use. Use scenarios - Use in apartments, offices, or homes where a quick, sealable solution prevents leaks and maintains a dry, comfortable space. - Use when setting up a portable AC through a window with a zipper seal for fast, tool-free installation. - Use during hot weather to improve cooling efficiency and reduce energy consumption with a dual-hose design.