Window Seal for Portable Air Conditioner, No Drilling Required, Barrier Against Hot Air, Energy Saving

WIDE COMPATIBILITY: This window sealing kit for portable air conditioners is perfectly suited to all types of portable air conditioners and dryers. It features a unique design with two hose channels that support a maximum circumference of 4 meters (157 inches) for all types of window installations. KEEPS HOT AIR OUT AND SAVES ENERGY: The use of high-quality sealing materials can effectively reduce the loss of cool air. Compared to air conditioners without sealing strips, energy savings can be as high as 30%, significantly reducing operating costs. EXCELLENT COOLING EFFICIENCY: The professional seal design blocks the backflow of hot outside air, increasing the air conditioner's cooling efficiency by 35% and allowing the room to quickly reach the ideal temperature.