The Kärcher spiral hose is completely intact and watertight, equipped with a suction filter and a non-return valve. It is ready for direct connection to a pump. Technical specifications: Thread size: G1 Diameter: 3/4" Weight: 90 g Dimensions: 80 x 380 x 380 mm Areas of use: For suctioning water; to prevent water backflow and shorten priming time; to extend suction hoses and units; for pumping water (remove the filter first).