Danner 05015 PUV-1000 Pressurized Filter with UV Light for 1000-Gallons Ponds This product is easy to use This product adds a great Value This product is Manufactured in China Pressurized filter with UV light for 1000-gallons ponds Features a unique, manually operated agitator for dislodging over 90 percent of the pond residue that accumulates in the filter chamber This patent pending feature is employed during the backwash and rinse operation For pumps of 1000 to 2000-GPH with 20-feet maximum pumping height 1/2-inch threaded fittings, ball valves for waste line and swivel fitting included