Features: Enhancing your home's energy efficiency year round with this triple layer air conditioning hose insulation sleeve, designed to reduce cooling costs by minimizing heat transfer and maintaining optimal indoor temperatures. Constructed with aluminum foil, foam, and chloroprene layers, this hose cover blocks heat radiation, prevents light exposure, and extends the lifespans of your portable air conditioning exhaust systems. Ideal for homeowners, renters, and portable air conditioning users seeking improved air conditioning performances, this 59 inch sleeve fits most 5-5.9inch diameter exhaust hoses across major appliance brands. Maintain consistent climate control in homes, offices, or apartments during extreme weather while reducing energy waste through its heat resistant, light blocking insulation properties. Featuring adhesive backed installation and four adjustable straps, this gray protective sleeve blends seamlessly with any decor while providing secure attachment to ventilation systems. Specifications: Component: Aluminum Film+Foam+Neoprene Color: Gray/Black Size: 59x21inch(150x53cm) Package Includes: 1 Set Air Conditioning Exhaust Hose Insulation Cover note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.