Perfect Fit for 150/160mm Exhaust Ducts: Our air conditioning window exhaust nozzle fits standard telescopic ducts and most casement or sliding windows without any cutting or modifications. Durable PLA Material: Made from eco friendly PLA, this nozzle resists bending, cracking, and yellowing, ensuring long lasting use even under high temperatures and sun exposure. Energy Saving Seal Design: The integrated variable diameter structure prevents hot air backflow and cold air leaks, boosting your AC’s cooling efficiency while lowering energy costs and noise. Easy Installation & Removal: Simply insert the nozzle into your window gap and connect the duct; no drilling or glue needed, leaving no damage or residue ideal for renters and temporary setups. Sleek & Functional Style: Featuring a matte black and white finish that matches any window frame, it keeps airflow smooth to prevent hose blockages and extends your mobile AC’s lifespan. Description: This air conditioning window exhaust nozzle is designed for seamless compatibility with standard 150/160mm telescopic exhaust ducts, fitting perfectly into casement and sliding window gaps without any cutting or modification. Crafted from eco friendly PLA material using advanced 3D integration, it offers exceptional toughness, high temperature resistance, and durability without bending or cracking. Its matte, burr free surface resists aging and yellowing even under prolonged sun exposure. The integrated variable diameter structure ensures a tight seal, preventing hot air backflow and cold air leakage, which enhances cooling efficiency, reduces energy consumption, and lowers noise levels. Easy to install without drilling or adhesives, it leaves no residue upon removal ideal for rentals and temporary setups. The sleek black and white matte finish complements all window colors while maintaining smooth airflow to prevent hose blockage and extend your air conditioner's lifespan. Item Name: Exhaust Hose Adapter Material: PLA Style: Modern Minimalist Craftsmanship: 3D Craftsmanship Features: Air Conditioning Accessories, Easy to Install, 3D Printed Size Details: L: 20cm/7.87", W: 13cm/5.12", H: 24.7cm/9.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Exhaust Hose Adapter