Portable AC Hose Insulation Sleeve, 3-Layer Waterproof Exhaust Duct Cover with Aluminum Thermal Foil, Fits 5 & 5.9 Dia x 59L Duct, Easy Wrap Installation

Superior Energy Savings & Heat Reflection Aluminum foil radiant barrier reflects up to 97% of radiant heat, reducing energy loss from your AC exhaust hose. Helps your portable AC cool up to 30% more efficiently, lowers electricity bills, and ensures faster, more consistent cooling all summer. | Universal Fit for 5" & 5.9" HosesExpertly engineered to fit both 5-inch and 5.9-inch diameter AC exhaust ducts. Available in a 59-inch standard length with a generous maximum width of 11.2 inches, ensuring full coverage and superior heat isolation across most major portable AC brands and models. | 3-Layer Premium Construction for Maximum Protection Built with tear-resistant waterproof Oxford cloth outer layer, high-density thermal foam middle core, and reflective aluminum film inner lining. This rugged multi-layer design not only blocks extreme heat but also resists daily wear, moisture, dust, and sunlight exposure | Tool-Free Installation with Strong Velcro No tools, no hassle simply wrap the sleeve around your exhaust hose and secure it with the heavy-duty velcro closures. The lightweight, flexible material makes installation effortless (takes just minutes), and it's equally easy to remove and store when the weather cools down. | Prevents Hot Air Backflow & Extends AC Lifespan By effectively insulating your exhaust duct, our sleeve stops hot air from radiating back into your room eliminating uncomfortable temperature fluctuations. This not only enhances overall comfort but also reduces your AC unit's workload, minimizing wear and tear for extended service life.