Upgraded Portable AC Hose Insulation Sleeve 2PCS, 3 Layers Waterproof Air Conditioner Insulated Hose Cover Wrap with Aluminum Thermal Foil for 5" & 5.9" Exhaust Vent Duct, Easy Installation, Black

Superior Energy Savings & Heat RetentionUpgraded portable ac hose insulation sleeve designed with aluminum Foil Layer that reflects up to 97% of radiant heat, significantly reducing energy loss from your portable AC hose, allowing your unit to cool your space up to 30% more efficiently and saving on electricity bills. Experience quicker room cooling and more consistent temperatures all summer long | True Universal Fit & Optimal Length Expertly designed to snugly fit both 5-inch and 5.9-inch diameter AC exhaust hoses, with a generous 59 inch length and 21 inch width to cover most standard setups. Our adaptable design ensures maximum coverage and effective heat isolation for various portable air conditioner models | Effortless Installation& Strong Velcro Just take some minutes put this insulation sleeve on your portable air conditioner hose. Our innovative lightweight design makes installation a breeze,simple wrap hose with strong velcro. No more struggling with bulky, rigid insulation. Easy to remove and store when not in season | Premium Multi-Layered Durable ConstructionUnlike others, our portable ac vent sleeve crafted from tear-resistant waterproof oxford cloth outer layer, high-density middle foam layer, inner aluminum film insulation. This robust, multi-layered design not only blocks extreme heat but also withstands daily wear and tear, ensuring long-lasting performance season after season | Prevent Hot Air Backflow & Enhance Comfort By effectively insulating your AC exhaust duct, our sleeve actively prevents unwanted hot air from radiating back into your cooled room. This significantly enhances overall comfort, reduces your AC unit's workload, and optimizes its performance | Waterproof, Dustproof, Sunlight-Insulator, Heat-Insulator