- Improved thermal insulation: This portable AC exhaust hose cover effectively stores heat in the exhaust hose, causing warm air to escape into your living space, which saves energy and helps maintain a cooler indoor environment on hot summer days. - Compatibility and fit: At 149.9 cm long and 53.3 cm wide, it fits most exhaust hoses with 12.7 cm and 15 cm diameters from various manufacturers, making it a versatile addition to your cooling system. - Quick and easy installation: For hassle-free setup, simply stretch the hose, wrap with the insulation cover, secure both ends with the included rubber bands, and attach to your AC unit. It stays in place even around bends. - Three-layer construction: Made of three layers of high-quality insulation material, this cover is thick yet flexible, featuring a double design that fits most air conditioner hoses and provides strong protection. - Practical use scenarios: - Use in apartments or small homes with portable AC units to improve efficiency. - Use with long or curved exhaust hoses to maintain performance and reduce heat transfer at the hose end. - Use in hot climates or during heat waves to help sustain a cooler indoor environment.