Description: Universal Accessories: The portable air conditioner exhaust hose connector is designed as a universal fit for clockwise and counterclockwise threaded hoses. Exhaust Hose Connector: Firmly installed on the 5-inch pipe without leakage. Compatible with outer diameter of about 130mm/5. and 150mm/5.91in. Extend to Any Length: You can easily use this AC hose coupler extender to connect the hose you need. It will extend your hose to the length you need, and make the hose pass through the wall or windows. Heavy Duty Design: This AC exhaust hose connector is made of ABS material, and the durable design allows it to be used for a long time. Best Choice: The universal clockwise and counterclockwise threaded joint is connected to the threaded hose. The exhaust hose coupler provides the best solution for passing exhaust air through walls or windows. Specification: Material: ABS Plastic Size Chart: 130mmx105mm/5.12inchx4.13inch 150mmx105mm/5.91inchx4.13inch (as you choose) Package Includes: 1 Piece Air Conditioner Exhaust Hose Coupler(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!