Tetra Pond Filtration Fountain Kit with Flat Box FilterTetras Pond Filtration Fountain Kit with Flat Box Filter comes with a filter, pump and fountain and is designed to help keep your pond clean by reducing the amount of clogging. This kit is available in three sizes to suit your needsup to 100 gallons, 50 250 gallons or 250 500 gallons! Every purchase comes with three fountain headsfrothy, spray and bell pattern, and a swivel adjuster for diverter assembly and leveling fountain heads. The flat box