Compatible with Kärcher K2-K7 series high-pressure cleaners and AQT series high-pressure cleaners. Enables you to draw clean water from a water source other than a tap. Can be used with compact and portable high-pressure washers. 3 meters long water pipe: High-quality 3-layer cold-resistant, wear-resistant, bending-resistant, crack-resistant, and explosion-proof material. High-quality filter: Features a check valve that allows water to enter but not exit, helping prevent the machine from running dry. Includes an integrated self-sinking block and fine mesh filter to capture particulate impurities. Quick couplings and fastening strips: Durable plastic quick couplings allow for fast assembly in seconds. Fastening components made of 304 stainless steel for corrosion resistance. Easy to install: All accessories included in one package for self-assembly. Each connector should be securely tightened to ensure proper water intake. No additional tools required for installation.