Helix Bio-Mechanical Reactor Waterfall FilterBenefits of The Helix Bio Mechanical Reactor Waterfall Filter Clean filter without getting Dirty Ability to Clean your filter with pond water Ability to clean your filter without disassembling No need to purchase filter pads annually Easy to Install and disguise in the landscape Reduce nitrates in your pond Increase Dissolved Oxygen levels in pond The Large filter can convert the waste from approximately 1lb of fish food each day, 30lbs a month or