Features: Designed for high pressure washer pumps models 510020, 520004, 520006 & 520020, these brass water connectors withstand up to 4500 with double seal threads for leak proof performances. accuracy crafted from erosion resistant brass, this M20/M22 adapter features reinforced construction to prevent cracking under extreme pressure and frequent water exposure. Ideal for professional cleaners, equipment maintenance technicians, and enthusiasts requiring strong pumps to hose connection for industrial grade cleaning systems. Perfect for heavy duty tasks like vehicle washing, concrete surfaces cleaning, and agricultural equipment maintenance where stable water flows is critical. Engineered with watertight M20 pumps and M22 hose threading compatibility, this brass connector minimizes pressure loss while ensuring secure attachment during continuous operate . Specifications: Component : brass Outer diameter: about 21.8mm/0.86inch Inner diameter: about 19.6mm/0.8inch Package Includes: 2xOutlet Connectors 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.