- Compatible with all Karcher pressure washers, including models K2, K3, K4, K5, K6, and K7. - Fits any pressure washer equipped with a 3/4 inch AG water connection for broad usability. - Designed specifically for the Kärcher water filter (model 4.730-059.0 M&M Smartek) to ensure optimal performance. - Constructed from high-quality materials for durability and reliability in demanding conditions. - 100% perfect fit guarantees seamless integration, enhancing the efficiency of your pressure washing tasks. Practical applications: - Ideal for home use, ensuring water purity while cleaning cars, patios, and outdoor furniture without risking damage from debris. - Perfect for professional cleaners who require consistent results and reliable performance in various environments, like driveways and facades. - Essential for maintaining your pressure washer's longevity, reducing wear and tear and ensuring optimal operation by filtering out harmful particles.