PondMaster Mag-Drive Waterfall & Skimmer Pump Flow Rate at 10 Feet of Head_6168 GPH as aeration helps to keep

as aeration helps to keep a small hole open in the surface of the pond to aid in degassing

WMC3960 - 3960 GPH (Dimensions: 5-1/2" x 12") Includes 1-1/4" FPT to 1-1/2" FPT elbow

WMS6500 - 6500 GPH (Dimensions: 9-1/2" x 15-3/4")

Filtration Type: Mechanical and Biological

PondMaster Mag-Drive Waterfall & Skimmer Pump Flow Rate at 10 Feet of Head_6168 GPH as aeration helps to keepHigh Capacity, Submersible Pumps Designed Specifically For Use in Larger Pond Installations! Low energy use Powerful, efficient magnetic drive motor Completely submersible Back flow check valve and 1 1 2" fittings supplied Specifically designed for use with skimmers and waterfalls Fish safe because no oil is used Includes extra large clog resistant filter screen 3 Year Warranty Replacement Impellers 2 sizes available: WF2000 2000 GPH WF3000 3000 GPH