Universal Compatibility: Fits all portable air conditioners and dryers, making it a versatile choice for your home's cooling needs, regardless of the manufacturer. Waterproof Material: Crafted from water-resistant fabric, this seal can be easily washed and reused, ensuring longevity and durability for over three years. Blocks Hot Air Entry: Keep your room temperature down by preventing warm air from infiltrating through gaps, making your AC unit more effective. Experience the ultimate in cooling comfort with our universal window seal, meticulously designed to work flawlessly with your portable air conditioner. Its waterproof material ensures durability and ease of maintenance, while the innovative design seals out unwanted elements, keeping your home cool and energy-efficient. A must-have for any homeowner looking to enhance their AC's performance.