Features: Engineered for general compatibility with SPX series pressure wassers, this heavy duty pressure washer coupler ensures secure connection across multiple models through accuracy crafted aluminum plastic construction. Featuring erosion resistant aluminum alloy and reinforced polymer components, the high pressure cleaning coupler withstands 3000+ operations while maintaining leak proof performances through its ergonomic quick connection mechanism. Ideal for homeowners and professional cleaners requiring stable equipment for frequent outdoor maintenance tasks, particularly those operating SPX3000/SPX4000 pressure washer systems. Optimizes driveway cleaning, patio maintenance, and vehicle washing routines with its turbulence reducing flows channel design that boosts water throughput by 25% compared to standard couplers. The tool easy installation systems with color coded alignment indicators simplifies attachment/detachment processes, making this pressure washer accessory essential for prolonging equipment life during intensive cleaning meeting . Specifications: Component : aluminum+plastic Size: about 3.3x3.3cm/1.3x1.3inch or 4.3x4.2cm/1.69x1.65inch Package Includes: 1xHigh Pressure Washer Coupler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.