Algreen 500GPH Pond Pump for Gardening and Water Features Pond Pump with Integrated Debris Filter- Pumps 500 Gallons Per Hour with Flow Control dial and is a U.L Listed Performance Proven Pump Includes 1 Year Warranty Excellent for Hydroponics/ Ponds and Fountains 4 Suction Cups hold pump to desired surface Pond pump with integrated debris filter-pumps 500 gallons per hour with flow control dial and is a u.l listed performance proven pump Includes 1 year warranty Excellent for hydroponics/ponds and fountains 4 suction cups hold pump to desired surface