Polaris D50 OEM 10 ft Leader Hose for 180 280 360The leader hose plays a critical role in how a pressure side pool cleaner moves, turns, and covers the pool. Positioned between the cleaner head and the rest of the hose assembly, it must remain flexible while resisting collapse, kinking, and premature wear. When a leader hose becomes stiff, cracked, or waterlogged, the cleaner can lose range, tangle frequently, or fail to climb and maneuver properly. The Polaris D50 10' Leader Hose is the correct OEM