Karcher Suction Hose & Filter Ecologic Suitable for Karcher pressure washers K3-K7 One way water valve with filter Allows you to take water from a static water source 5m suction hose included 90% recyclable Karcher SH 5 Suction Hose for Pressure / Power Washer | 2.643-100.0 This expertly designed hose and filter are compatible with Karcher pressure washers K3-K7, and feature a one-way water valve with a filter to efficiently draw water from a static source. The included 5m suction hose is 90% recyclable, making it a sustainable choice for your cleaning needs.