1. Versatile Compatibility: This air conditioner window seal can be used with left or right opening, bottom or hung windows, as well as common tilt window types, and is compatible with portable mobile air conditioners, dryers, exhaust dryers, and dehumidifiers. 2. CostEffective Choice: Reduce your electricity bills with this air conditioner window seal. It blocks backflow and prevents hot air from entering your room, providing an efficient and ecofriendly solution. Additionally, it is easy to install and remove. 3. Reliable Material: Our air conditioner window seal is made of durable and waterproof polyester material, ensuring longlasting and reliable protection against harsh weather conditions. 4. Hassle Setup: Set up your air conditioner effortlessly with our window seal. No drilling or tools are required—simply unpack, place the hose, pull the window frame for an airtight fit, and apply the seal to the window frame.