Ridgid 40898 SP-1000 1 Horse Power Stainless Steel and Cast Iron Submersible Sump Pump with Vertical Float Switch Pumps up to 5400 gallons per hour at 0 feet Stainless steel housing for superior longevity Upper and lower sealed ball bearings for quiet performance and long life Carbon/ceramic shaft seal for smooth operation and long life Top suction inlet filters debris for increased reliability