The Ovation EcoSkimmer handles any pump up to 8,000 GPH. The patented Down Flow design makes it the best skimmer made. Comes with a 10" weir window. Ships complete with a Life Time Warranted skimmer body. Extra large leaf basket, partition with pre-filter pad and a maintenance net. Extra ribs and ridges and double thick walls create the toughest skimmer available. Installs within the liner so no screws, silicone or puncturing of the liner is nessecary. The easiest to install and maintain skimmer ever!....Weighs in at 36 Lbs..... All PondEco skimmers average $6.40 per Lb. compared with an industry average of over $12.50 per Lb.... Buy Direct from the Manufacturer and SAVE !!! Pair this with the Harmony filter .......Deluxe stone lid also available. See our installation video.