High-quality materials: made of ABS, durable and environmentally friendly. Size: 15cm diameter portable air conditioner hose square connector. Application: Connects exhaust hoses and window kit boards. Flexibility: The exhaust hose can be easily extended to desired positions. Advantages: Provides excellent sealing for air conditioning hoses to help reduce energy consumption; a well-structured exhaust ventilation system supports efficient cooling and energy savings. Type: Air conditioning nozzle fittings. Name: Air conditioner exhaust pipe connector. Category: Air Conditioning Accessories. Shape: Square interface. Color: Gray. Material: ABS. Dimensions: 18 x 15 x 6.5 cm. Inner aperture: 15 cm. Package Contents: 1 x Hose connector. Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.