Universal insulation sleeve for portable air conditioning hoses, 150 cm long × 53.3 cm wide. Designed to reduce heat loss from the exhaust hose, it improves cooling efficiency and lowers indoor temperature. With three insulating layers, it also protects the hose from sunlight, dust, and insects, extending its lifespan. Key features: - Size and compatibility: 150 × 53.3 cm, suitable for hoses with a diameter of 12.7–15 cm. - Secure fastening: double Velcro straps and 3 adjustable elastic straps ensure a reliable grip and quick fit. - Enhanced protection: protects against sun, dust, and insects; reduces heat loss. Easy installation in minutes: remove the hose, wrap the sleeve around it and fasten the Velcro, place the elastic bands at the ends, and reconnect the hose to the air conditioner. Package contents: 1 hose insulation sleeve and 3 elastic tension straps. Recommended use: an ideal accessory for portable air conditioners and mini AC units to optimize performance, extend hose life, and maintain a clean, protected installation.