Engineered with watertight M20 pumps and M22 hose threading compatibility , this brass connector minimizes pressure loss while ensuring secure attachment during continuous operate 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 accuracy crafted from erosion resistant brass , this M20 / M22 adapter features reinforced construction to cracking under extreme pressure and frequent water exposure 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, Manufacturer: Zqxnt