• Move Hot Air Out of Room: This portable air conditioner seal install between the window frame and the window with a hose, effectively expelling the hot air produced by the air conditioner out of the window, keeping the cold air inside and keeping your room cool for a long time
• Enhance Cooling Performance & Save Energy: Gruntbear Portable air conditioner window seals are made of durable nylon material, which can effectively block the entry of hot air, let your room cool down quickly in a short time, enhance the cooling performance of AC, help reduce energy consumption, reduce CO2 emissions, save your power consumption and save your money
• Waterproof Function: Gruntbear air conditioner seals are made of waterproof nylon material and can also be used in rainy days. Create a cool space for you on sweltering summer days
• Easy to Install: No drilling and tools required, everything you need is provided by Gruntbear. Simply tape the AC seal kit to the inside of the window frame and to the window, place the AC hose out of the window, zip it up, and secure with a zip tie. You can open or close the window at any time without removing the window seal
• Wide Application: The 300cm Air Conditioning Seal Kit is suitable for both push-out and pull-in window types and will fit windows up to 118 inches in circumference. Suitable for skylights, awning window, casement window, or crank out window that opening to the left or to the right, not suitable for sliding windows, vertical push-pull window, or stereo revolving windows