The Pro Vac SI delivers the suction power to clear litter and debris faster. Throated nozzle design increases airspeed for improved vacuum capability. Unique rectangular discharge chute prevents debris clogs. The optimized 40 gallon no-kick bag design prevents wear and tear. Optional Hose Kit for cleaning flower beds and hard to reach areas. Hose seats securely in special contoured pocket that blocks air flow when not in use.