Description Features: 1. The round interface set is suitable for KY-20 or LA, KY-25 or L, KY-26 or F1, KYR-26 or F1, KY-35 or F1, KYR-35 or F1, KY-26 or F2, KYR-26 or F2, KY-35 or F2, KYR-35 or F2, etc. 2. The square interface set is suitable for KY-25 or C, KYR-25 or C, KY-32 or C, KYR-32 or C, KY-25 or H, KYR-25 or H, KY-32 or H, KYR -32 or H etc. 3. Suitable for some mobile air conditioners with a diameter of 15cm. 4. Made of high-quality ABS material, wear-resistant and corrosion-resistant, not easy to age, and durable. 5. Easy to install. Connect to the exhaust hose, and can be easily installed on the back of the portable air conditioner. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS Size: Square: 18x15x6.3cm Round: 15.5x15.5x4.3cm includes: 1 X Air Conditioner Exhaust Hose Coupler