Polaris Vac-Sweep 3900 sport pressure side pool cleaner * Works in all in-ground pools; requires Polaris booster pump * Palletized in multiples of 16 units * Ready to connect to 1.5-inch dedicated pressure cleaner line * Includes 31-feet of feed hose * 50% more torque with the all-wheel PosiDrive system with stainless steel chain * Equipped with dual chamber SuperBag that collects more debris, works in all in-ground pools * Most vacuum power of any 3-jet Polaris cleaner, with 40 GPM of additional pool filtration through the filter bag * Now includes TailSweep Pro, providing ultimate sweeping action, while eliminating water from spraying outside the pool * Requires booster pump, combine the 3900 Sport with the PB4-60 booster pump for maximum performance