Aquascape Grande Skimmer for Ponds and Water Gardens, 1,500 sq. ft. , 15-Inch Weir Skims ponds with a surface area up to 1,500 sq. ft. Handles up to two 10,000 gallons per hour pumps (20,000 GPH max) 15-Inch Weir opening Includes natural looking faux-rock lid, debris net, fittings and rack Lifetime Limited Manufacturer Warranty